0(=d o' %zmr =l=?c % %a - columbia.eduww2040/palmii.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq...

30

Upload: truongmien

Post on 07-Feb-2018

213 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

! #"%$'&(!)+*-,/.'0132452060 798:;<2'20>=? '@BADCE=GFCHJILK'M'FN0(=G.'0'OP5 QSR%TUSV7*HW%%83

HXEYHC%LSZ[N]\5 #^_)&(!)`?abdc&(:`%$'e%fhg-`%ijdk&(hl)J*?%C_Vh 7S2m4520N6l0N 7n83]o7 .'[Ap0NFCHrqs% S=*HWX83

t7u

Page 2: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

d R0(=do'%ZmR=l=?C%%A ; N7RES2 Ap.'0N6l6HA '%CHS=G06006G<6l 6.'C CH10(VhC@U,/0NC 0>=?6l10M'K#6l0 0N 6l.'C S=?63R6l0N 7SRE1lr4L1lF>R'On %== Z 2CFUnD"%$#"dc d$g/b H&Bd$'h:96l JRQ#Q C_R1H

E 4L0>V9 SN'ZmR=l=?C%'A ; NRS2 Ap.'066HA NS,/.'C IL.#=?0>VH=/ 6l.'C "!$#&%#(' )+K'CHK#C%+*-,Sdi"(.g-&(`%$ )/<)E"%il! 0'J*lW7W t 8: t 21'30

t 54 REYH0(=d6 P+N7#il"98 b9&Bd$'h:nAp0NFCH:+C;=<5 19nHW%0#>0? RMSCH1l RSn "7g Sdc"7g-&(:"(@D`Ee2@ )BA [: #"%$'&(:"(@DC &FEHi"7gU&(`%$ )2G5\ `H,9f@"7gU&(`%$ j ^$'"%c&(!)2G

"%$#eI7#il"98 DJ@`K]SIL1lC60(VhCH@L?<REFFUTUSV7NM C; o7CH1:=GCH%nW %NE o%RV#=? So'SPO#`EH.Bb# #`H,"@ &RQ%TS f df'd&($(b9^H)dg?dc )d9Z O7J6H'Vd0US u *HW(U t 83L t 1SV0UE o%REO7CH1 R 6 PLNP+ 7S=G6:R60 SR1XW/FN V0#O0m,CHFNCHQ'.' 'C , 13RY V7PZ<2@[@Lb9^_)dgGdc7 : 6\-O6\

NB0 *HW%BN 8]U((N1MU&U7 <CHFNF%M^/SI _n %=l=` CH6a;/ 1#=hcb $#$'"(@ ) `?ab,,6@&Be\ i`E:"EH&@&g-^*HW7W8 t HW1 t _X XEnCC%%A P+< `EH&@d/2@@ fe@"%if7 g@:`%ccf$#&(:"7gU&(`%$ ) b9^_)dgGdc )dZmV4+1:R; @L? 0FNFU C3;h<5 71in

W7XW WEnCK''O' NnZmR=l=?C%nA ; 9RS2 Ap.'0N6l6nA ,1:RY VZ 2CHF(=] 1<Ap01CHFC_=l=<P5 7JK''0N@

VR6l0N 7S= CH6a; 71#=hTaD^+jPkj<Zl W0#S, 1l 76l # 6 REQ'QSCER1 u ZmR=l=GCH%LA ; ]RES2 Ap.'0N6l6LA L;+ ; SREF#=?0(= +6.'C Z 20nmSCE2@ajkonC1lCE2@Ln %R2 ; Q#Q'1l Bp0@

R6l0N 7X 1 6.'C 7S=G6:RE6l0 SR1[4L1F(R#OXn =l=Z 2CFU+b $'$'"(@ ) `?aqbr,,6@&Be \ il`E:"EH&@&g-^6 REQ'QSCER1

7d ZmR=l=GCH%7A ; %RES2Ap.'066H7A +CH6a;/ 71i'= TU:mS'0N6lC CH1%CH1)+K'CHK'C_=-; 06.s 7S=G6:RE6l0 SR1I 70(==? mTU'Q'K'6S f'df !&($( b ^_)dgGdc )d] t *HWW t 83]X t 1M(N u

E Z C0CH1@$? CFF(=G6lCH1d SN7; FN 7S=G '4 7RES2tjlu CH0NFF-H 7,/.'Ckv =?C5 #'+R 254Z 6 %K#Q'@QS 1l6? 0O. CHS=G06GmI CH1:=G 7SREF/P5 7JK''0>VHR60 '=G6lCH =d 0Nw7n #&(ileyxzi|~bZxr`%igQ): #`H,`%$h7n #&(ie<d$Sdil"7g-&(`%$x &(i:2@l):)D| :gLKL`%iQH)dn;+Q'1l0NFLHWW(

t Z 0N6l13R c4+0NM'MSCHS=hSo'N'RES2f? KSR#O'6W<u 6:R6C CHQSCHS2C6 K'6l0N'O m% CH6l10NVn =l= CH6a; 71#=P; 06.J, 1K' CE=?CH1iR6l0N 7S=d%T:ezi7'i"%$ )B\d5`%ccf$c\B0 u *lW7W(%807V10X(

H0 Z 6CH'CHO1l #:4 %C'O7 &KZ[B</RE ROKSV:.'0UB<ER 2 ; MSC%,<,/0CH@L CHQSCH 2CH6 ; SRFN'=G0(= BZ M'0FNC P5 JK''0(VR6l0N 7D,1:RY V 0N Rm 0'O@?%. RQSCE2 CH10(VhCJ;+1lCERf; 06l. K#'0R 1l CH.#0(VhFNCD 0>=?61l0M#K'6l0N 7Pzi7#il"%$ )B\]C l #&(Hf@"%i7S! 6\0# *HWW( 8]0 t 1M&N0'

NE I RF P+TU6CHS=G06G RE1l0(RE6l0N 7S=0 ,CHFCHQ#.' 7'C ,1:RY V7 ih&(:):)`%$X7 ! #$#&(!)0(0 *lHWB0 t 851 HX7W* 04+CH1l Rn83n*U4L'OF0>=?. 6l13RS=GF(R60 Mf 716l.'@L? FF(RES2n#; =?6CH1:2#Rm'W7XX 8:

UECE=9R1'T:ZmRE1l0(V S N:?+ 7F6YH REo'RES2A[R=l=GCH1l RE'o'N RE6lC< Bn VHRE6l0N 7r; 1lC_Rv Q'@2#R6lC_= 0NP5CFFK#F(R1 %#=?6lC =hH0N"7n #&(ietxTz|-bZxr`%igQH): #`H,`%$X7n #&(ile<d$ !il"7g-&(`%$x &(i!g@l):)| :gLKL`%iQH)dn;+Q'1l0NFLHWW(

7W

Page 3: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

;/C .SR%C6.SR6 JKS=G6 MSC 0S2CQ CS2CH6 B * 8=G0SVdC M,/.'CH 71CH t u56l.#C F>R66lCH10>=R=?K# R 2 B * 83

,/.'C R1O7K'C6+ 71 6.'C 2CHQSRE1l6K'1lC<Q#1l VhCE==/0D*BM98L0(=/C_R7=?0NCH1 =G0SVdC%%M ,/.'CH 1lCH t u ; .#CH.' F(20N'O 1-m pCE2J0(=5Vh 711lCE=GQS 7S20N'O7FN 0NS2CHQSCH 2CH6 BD* 8 71*:8 R 2 RES2 * !!8 0>=0 2CHQSCHS2C6+ * !!83<A C 6l.'CD2CE2KSVdC 1l 7 IL1l QS %=?0N6l0N 7p u 6l.SRE6D*":8/0>= 0 2CHQSCHS2C6 # $ *%:8:#=?0NSVhC & *%:850>= R I] 0(==? 7 =?K' RS2 #*":8:

7X

Page 4: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

* *%:8 u 8 *%:8 ! * 8 * :8 u * *%:8 u 8 !"# $ &% !'( *) 8 *%:8 $+* * *%:8 u 8 !"# $ % !' *) 8',,,,, *%:8 $ * *- * !8 $ 8 * *%:8 u 8 !"# $ % !' /. 0 * 1 82 ,,,,, 1 *0 * !88 $ * * *%:8 $ 8 * *%:8 u 8 !"# 0+*%:84365 ! 7 /8 . 90 *: 8 2<;>= : * *%:8 $ 8 0 * :8 3?5 ! 7 +8 . 0 *-:S8 2<;>= :A@ !7 *)#: 8UCB *: 8 = :@ !7 B5*-:S8 = : DEGFIHHKJLHJNMPO4QRH(FIQS TVUXW(Y ,/.'0>= VHRE MSC1CHO%RE1:2C_2 R= R Vd 7S=GCIZ K#CHSVhCJ ,/.'CH 71CH N B 7dU

4+0%CHr6l.'CJQ'1 7QSCH1l60CE=+ +I 70(==? 0N6CHO713R6l0N 7906<0>=<VhFC_R1<6.SR6CERV!. * :8/. R7=R I] 70>=l=? [20(=?@6l10M'K#6l0 R 2 R=R K'SVh60 [ L6l.'CE=GC1:RES2 R1l0>RM'FNCE= .SR%CJ6l.'C0NS2CHQSCH 2CH6 0 Vh1lCH CH6Q'1 7QSCH1l6G% W/ R=?0 0F(RE1RE1lO7K#CH6H;/Cm=GCHC 6.SR6J6l.#C * :82l= 1l R[I] 0(==? 7pQ#1l VhCE==R7= R K'SVd6l0 d

W/ 76. 0N6CHO713RS2#= KS=GCP[L* :8L=G0SVdC<M 2CHm '060 7 RRE1l1l0[RF R 6CH1/6.'0(=/60C JKS=G6/=G6l0NFFnMSC<0N6l.#C 1CHO70N 7D* u ' R6+6l0NC d#RS2rR R11l0REF]MSCH 1lC6l.'0>=/6l0NC JKS=G6/MSCQSR7=G6 QS %=G060 7 M6l0NCd , R0'OJCpQ C_Vh6:RE6l0 S= 56.'CE=?C I] 70>=l=G 7m06lCO71:REF(=/O0%CE=/KS=+6l.'CD 71 K#F(R7= 1 6.'C C3pQSCEVh63R60 7 = #* :8 RS2 * :8 R7= 0D*$7E8/ B+7H-EGFIHHKJLHJNMPO4QRH(FIQS TVU]\>Y v =?0#O6l.'C1lCQ'1lCE=GCH6:R60 S=<* t u 8 R 2 * t uN%8+ 71 * :8 RS2 * :81lC_=?QSCEVh60%CHFN%%6l.'CDmS13=?6+=?63R6CHCH6 FF B;+=/0NCE20>R6CHF 1l 6l.'CQ'1 7QSCH1l60CE=/ B I] 0(=l=G 7r06lCHO1:R@6l0N 75, JQ'1l B%C<6.'C =?CEVh S2 RES2 6.'0132 =?6:RE6lCH CH63=h;/C MS=?CH1i%C<6l. R6

* :8 3_^ $ ! a`Ibcd>e<f hg ji = *-k78l 3 !^ $ ! a`Ibcd>e !Xi = *-k78 *l u U 8

R 2 * !!8 3 ^ $ ! a`'b(md e<f ng& Xi = *-k78l 3 !^ $ ! o`'bmd e !Xi = *k8 D *l u 78

,/.'C1lC_=?6 7FNF B;+= 1l 7 KS=?0N'Op ` bcd e !]q b md i l ` b md e !ji ` bcd e !Xi *l u X 8

; .'CH1C;/C; 0FNFRF>=? =?K'M =?6l0N6lK'6Cr:n*-k n8- 1 dEGFIHHKJLHJNMPO4QRH(FIQS sVUXW(Y W/ ,/.'CH 1lCH t D* 8 RES2 $ R1CI] 0(==? 7DQ'1 VhCE=l=; 06l.r1lCH@=?QSCEVd6/6l 6l0NC%%=G 0650(= =?K:Y Vh0C656l =?.' B; 6l.SRE6/6.'CH R1lC 0S2CQ CS2CH65Q'1l VhC_=l=?C_=h5 CH CH1l10'OMSRV6l J,/.#CH 71CH t :;/C =?CHC<6.SR6 $ 0(=50S2CQ CS2CH65 * 83+v<=G0'O I 1 7QS %=G060 7 u RMS B%C%

Page 5: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

^' 71+REFFMS 7K#S2CE2 71+' 7'@ 'CHOR60%C06lCHO1:RES2'= RS2 * :8 9*%:8U 3 ! * k78 *)#k78UB *k8 = k D *l u t 8

t +T 0(= RM'0SRE1lt K#SVh6l0N 76l.'C 0>= R I] 0(==? 7rQ'1l VdCE=l=d0'+T SRS2 l R1lC RFNFnM'0NSR1%'6l.'C RES2 rRE1lC 0NS2CHQSCH 2CH6 I] 0(=l=G 7rQ'1l VhC_=l=?C_=h

, 6.'CE=?C1CE=?K'FN6:=; C R2'2 pEGFIHH XH WVUXW J `%i"(@@ 2GrK #"%k-" J `%ir"%$'^ gLKL`EH&($'"%id^ &($gG %i"%$'e) "%$'e "%$#e "%$#^X%&(kd$ 2GP%*%:8r"%$'e 9*%:8r"%i!

,#`)&g-&(k2@^D:`%idi!2@"7gGe \ `%& ):)`%$ i"%$'e%`%c k"%ih&("EH@Nl)B\ zd$ "%e%e%&g-&(`%$eG g Sd&(i :`%kH"%ih&("%$#h & ) !il`& a "%$#e `%$M@^& ag( Sd^"%i:&($'e$,Sd$#ed$ga\

LE[ `%i!`%k!igG & a & )+"g #&(ieEH&($'"%id^ &($g? %i"%$'eG g( Sd$?7* :8 & ) " \ `%& ):)`%$Jil"%$'e%`%c kH"%id&("EH@g( #"7g& ) &($'e$,Sd$'e!$g `?a_%*%:8l * :8J& a "%$'e `%$M@^m& a_*%:8J& ) &($'e$,Sd$#ed$g `?afE:`7g( *%:8"%$#e?*%:8\

- J &($'"(@@^G+& a & ) "TE:`%f$'eeG i!"(@u.Gk"(@f e &($g? il"%$'eG g( Sd$&% *%:8 *%:8 ,,,,, *%:8 u * *%:8- *%:8- @ !7 *)#: 8-IB *: 8 = :@ !7 B *: 8 = : D *l u 08

EGFIHHKJ9Y ^' 1m*UR%8:k;/CrKS=?C * u t 86 =?.# ; ' 7#@B'CO%R60%C Vh 711lCHF>R6l0N 7w+ ; 7MS=GCH1%Cr6l.SRE6YHCH1 Vh BR10(R VhC0Q'FN0CE= ! u K#Q 6l J6l0NCh ,/.'0>= C_RS=/6.SR6 l 0(=/M'0NSR1 K'Q 6 60CdSRS2=? %*%:850(=/0NS2CHQSCHS2CH6 B * :8:

^' 71*BM98:0n7* !8 0(=50S2CQ CS2CH6/ B %*%:8(l 9*%:836l.#CH6l.#CH01 Vh B7RE1l0>RSVhC 0(= YCH1l #v<=?0N'O 6.'CM'0NF0#CER106G 56.'C Vh BR1l0>RSVdC%:; C . R%C

*%:8 *%:8- #" *%:8 * !8- D *l u N 8

TU6] FFN ;+= Mm*UR%8 6l.SRE6 MS 6l.DVh BR10(R VhCE=+R1lC YHCH1 ' *%:8 0(= 0S2CHQSCHS2CH6 N *%:8:SRES2 *%:850>=0 2CHQSCHS2C6 * !83

^' 71J*UV83FCH6G0+*%:8 @ !7 B5*-: 8 = :nJTL 1 0(=R =?6:RES2'RE1:2 I] 70>=l=G 7DQ'1l VhC_=l= * 1:RE6lCr8+6l.'C"; CVHREVh S=?61lKSVh6+6l.#C=lREQ'FNC Q R6l. = M KS=G0'O 1%$ 0 =G 6.SR6 1 *-0+*%:8l8 .SR= 6.'C=RC 20>=?6l10M'K#6l0 R7=L *%:8: %0N0F>R1lFN%%0R 1 0(= 6l.'C'& @ 6l.)(GK'QT 71<6.'C =?63RS2'RE1:2DI] 70>=l=G 7 Q#1l VhCE== 1 S6l.#CH . R7=6l.#CJ=lR CJ20(=G6l1l0NM'K'60 7DR=G0 * 1 8:qv =?0#O 6.'C-R7Vd6<6l.SRE6 1 D'DD 1 ! R1C20(=?61l0NM'K'6lC_2 F0%C6.'C 7132CH1 =?63R60(=?60(VH=~ 1 $ 0U 0-2n 1:R 2 7 R1l0>RM'FNCE=<6l.SRE6RE1lCJK''0R 1lFNr20(=G6l1l0NM'K'6CE2 7 u G+; .#CH;/C Vh S20N6l0 7 6.'CC%CH6 ` 1 *%:8 $ i :; C.SR%C

&% * :8 3 ! * f : 8 = *-:S8 ,,,,, *%:8 u * * !8 ! * 8 ,,,,,, *%:8 u

(U

Page 6: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

γ

Ω

^]0OK'1lC W t pr? 0NO7.M; RHT+CH6a;/ 71iR= K'QSCH1lQS %=G060 7 = BrW R7=G0(VD? 0NO7.M; RH In;DZm=d

(N

Page 7: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

ADC # ; Vh 7S=G6l1KSVh6

*%:8 * *?8 :8 RES2 *%:8

# * *?8 !!8 D *UW8

"!# $&%(')+*,%+-./% %+nCH60 g *?8LMSC6l.'C 6l0 C 6l.SRE6 6l.'C VHRE1/6l. R6+R11l0[%CE= 6 6l.'C<.#0O7.M; RH R6 60CLk<M CO70 =/06:=1 @B6. VHRFNFUR 2 FC610 g *2G85M C60C+6l.SRE6 6.'0(= VR1+6lCH10SRE6lCE=L0N6:=1B@ 6l.rVHREFFULADC6l.'C . R%Ck,340 g *81350 g *l8630 g *$%86340 g *$%8/3 D *UW3 8T +; C 2CHmS'C * :856l CIZ%KSRF6.'CK# MSCH15 [email protected](=/0rVhCFF * u 'M CV 71lC60C d6l.'CH

* :8 3 !^ $ ! * b#cd

e !]q b md 8 = *-k78 *UW t 8

R 2 CER7V:. * :8+MSCH.SR%CE=<F0[%C 6l.#C MSR=?0>V.'0NO7.M; RHDIn;`Z[]TUD6lCH1 = B LR 2

; C.SR%C

* :8 # * :8 RES2 D* :8 * :8 *UWV08

M'K'6 * !!8 * :8 RES2 * :8 # * !!8 D *UW3N 8

6lC 6l. R6 * :8 RS2 * !!8 2CEVh QS %=?C 0N6 0S2CQ CS2CH65=?K# R 2'= (GK =?65F0[%C/6l.#C98lQSR=l=?0N'O;: 2CF0[%CEVd6l0 mW79M'K'6 * :8 RS2 * !!8 2 # 76H TU6] FFN ;+=+6l.SRE6* !!8 RES2 * :8; 0FNF =?6l0NFF5.SR%C I] 0(==? 7 20>=?61l0M#K'6l0N 7S=d]M'K'66.'0(=; 0FNF # 76'CEVdCE=l=R1l0NFmMSC61lK'Ct 1 * :8 RS2 * :8:

<&= >@?A? ABACEDFHGJIKCB LI M+ON+&Ps/Q9N7CRITnCH6N MSC R' '@ .' 7 O7CH#CH 7KS=+I] 0(=l=G 7rQ'1l VhC_=l=k; 06l. 13R6lCD K' Vh6l0N 7 B[R 2 FC6 ` LS i M C R 0U 0U 2n=?CZ K'CSVhC B13RS2 CHFCCH6:= BJ=G 7C I] 7FN0(=?. =GQSR7VdC *UVh Q'FC6lCr=?CHQ R1:REM'FCDCH61l0>V=?QSRVhC78OT20>=?6l10M'K#6lCE2 R7=/ADC; 0FNF =lRH6l. R6 p1TVUXWY W 0(=+R &($gG %il"%$'e; 06l. 1CE=?QSCEVh6+6l + RS2 0R 06 0(=+R CER=?K'13RM'FNC~ K'SVh60

4+0%CH =GKSV:. RE 0N6CHO713RS2 ; C 2CHmS'C6%*%:856l JMSC%*%:8 3 ! * hg k78 = *-k78 ! *) 8 *l u N8

; .'CH1C 0>=/6l.'C & @ 6l.)(GK'Q60C+ 'Vh K'6l0#OMSR7V2:; R132'= 1 7 60CdA CQ'1 B%CE20 h6l. R6'p7^' 71+REFFMS 7K#S2CE2 71+' 7'@ 'CHOR60%C06lCHO1:RES2'= *%:8U 3 ! * k78-'B5*-k78 = k D *l u 8

0

Page 8: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

J+! - ' /# W B; =GK'Q'QS %=GC6l. R6 7=? CJ=?K'M#1lCHO0 7D WH ; CJ=?K'QSCH10QS %=GCR Vh FFNCEVh6l0N 7r .#0O7.M; RH#=<6l.SRE6 RHQ'.#=?0(VRFFN %C1lF(REQ9R7=<2CQ'0(Vh6CE2 0N^]0OK'1lC W t nM'K#6<6l.'C1CE=?K#F6l0N'O61:RY V 1< 7#C .'0NO7.M; RHR7Vd6:=L0S2CHQSCHS2CH6lFN< R' 6l.'C1HLADC+Vh 7S=G6l1KSVh6L6.'0(=] 2CHF'M0'0N6l0(REFFN 0C3; 0'O+6l.'C @B6. .'0NO7.M; RHR7=56l.'C MSR7=G0(V .'0NO7.M; RHJIn;`Z 2CHm 'CE2 OW A C ' B; R7=l=G Vh0(RE6lC R RQ'Q'0N'O p;W Y W/6l.SRE6;/C; 0NFFVRFF R dcqEhe%e%&($( 0n

7+,/.'C REQ'Q'0N'O 0>= Vh 76l0NK' KS=?FN20Ro9CH1lC60(RM#FCRES2 'CH@ 6l 7@ 7#C%^' 71+REFF W '6l.'CCHKSVdF0(2CER# 71l * n850>=/ 7'C%%KSV:.mRJ6l1:RES= 1l RE6l0N 7; 0FNFQ'1lC_=?CH1i%C 6l.#C )a,S:e CERV!. VHR1 M#K'6<' 6<'CEVhC_=l=lRE1l0NF 6l.'C 201CEVh60 7

6l.'C%CHFN Vh06G%,/.'C B@ 6l.m.'0NO7.M; RHf; 0FNF]6.'CHmMSC *2W 8: B; FNCH6 MSCJ=? 7 C MS 7K' 2CE2n 7QSCHm1CHO70N 7m B1W

; 06.DRVh ''CEVh6CE2 MS K'S2'RE1l TU ^]0OK'1lC *-W t 8 6l.#C1lCHO0 7 0>= R.'Cp#RO 7ADCR7==?K' C6l.SRE6C%CH1 .'0NO7.M; RH; 0FNF5C%CH6lKSREFFrFCER%CJ=GKSV!.R 1lCO70 ]0- C%N *3 H'p88 1=GK:Y Vd0CH6lFNF(RE1lOC 5Z 71CH B%CH1HM;/CR=l=GK'C<6.SR6+C%CH1 .'0NO7.M; RH VHRE B%C+0 RS2 7K'6+ R1lCO70 ' 71lC6l. R R m '06CK# MSCH1 6l0 CE=h X 716l.#C @B6. C MSCE2'20'O ; C R7==? Vh0>R6CmRXmS'06C =?C6 20>= (G 70N6 0N6CH1REF(=

* *2?8 *2G8U "! D'D'D $#5*?8&% *UWuN%8=?K V!. 6l. R6 *2?8 3 *2?8 RES2

*2?83 *?83 3 *2?83

*?8 *UWuU%8

; .'CH1C

(') * . *?8 *2?8 2,+-/. *UW 8

R 2

') 0 # 8 *?8 *2?8 ;21 +- 3 4 *UWX%8

W/ K'12CHmS'0N6l0 5* *?8 *2?88 0(=< REQ'QSCE2 Mm6l.'CJCHJM C_2'20#O 0N6 6l.'C5!%@B6.[=GK'M'1l K'6lC 6l.#C&B@ 6l..'0NO7.M; RHJ6l.SRE6/QSR=l=?C_= 6.'1l K'O7.6<5,/.'C<QS 06 * *2G8l8; 0FNF MSC Rd$g-il"%$'hk,#`%&($gS6l 7<R 2 * *?8l8; 0NFF9M C RE 98&g,#`%&($gB

, =?0NQ'F0n ' 763R6l0N 7- 1 R 2 0W FNCH6 & *% ?8 *":8;:

* !!8 2C' 76C 6.'CK' MSCH1+ VHRFNF(= 0NmQ'1l O71CE=l= RF 'O 6.'CJ=?K#M'1l K'6lCJ 6l.'C B@ 6l.m.'0NO7.M; RH; .'0(V:.m0(= ** %B83 ADCVHRE 2CHmS'C R 2 0NrR=?0 0F(RE1+-R7=?.#0 7 B; 71 RO70[%CH VhCFF<; C 2CHmS'C

=<n*%:8 $ c> m> *% ?8 D *UWW%8

%0N0F>R1lFN%(; C VRr2CHmS#C

< * :8 # $ c> m> * ?8 RES2 < * !8

$ c> m> *% ?8 D *UW u 8

t

Page 9: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

^ 0O7K#1lCWapkj+'CH@ A[RH ,1:RY VD; 0N6l.rILR7==?0N'OR= K'QSCH1lQS %=G060 7 = B56l.'CW R=?0(V? 0NO7.M; RH In;DZ[

J+! V('

ADC VHRE 2CHFR .#0O7.M; RH; 06l. 6a;/ 7@ ; RH6l13RY V R7=L=G0Q#F+6l.'C+=GK'QSCH1lQS %=G060 7 B969; <0 2CHQSCHS2C61lCQ'F0>VHR7= 7K#1< 7'C@ ; R_ .'0NO7.M; RH%SO7 0'O 0r 7Q'QS =?06CJ201CEVh60 7 =h<,/.#CCER7=G6lMS 7K' 2 61:RY V ; 7K'F>2 B%C RVHVh 71320#O[6l R%CHF Vh0N6G mSCF(2 * !!83 R 2 6l.'C ;/CE=G6lMS 7K' 2 6l1:RY V M R"%CF Vh0N6?mSCHF(2 q * :8:#R7=+2CHQ'0>Vh6lC_2 0 ^]0NO7K'1C Wu

^' 71 R O70%C VdCHFF * % ;/C VHRE 2CHmS'C6l.#C Q#1l VhCE==?CE=

$ * !8 $ *%:8: q & *%:8 *UW t 8

; .'CH1C & *%:8 *":8,: * !!8 R 2 q$ *%:8 q *":8,: q * :8:ADC+VHR 2CHmS#C $ R 2 $ 0NmRJ=?0 0F(RE1-R=?.'0N 7 , 6.'0(=k;/C R2'2 6l.'C Q'1l VdCE=l= c; .#0(V:.mVh K'63= 6.'C K'JMSCH1 .SRS2 o =] 71+VRFF>= d$gGdid&($(VhCHFNFL* % SRS2 $ ; .'0>V!.rVh K'6:=/6l.#C K'JMSCH1/ B5.SR 2 o =] 1VHREFF(=eL,'"%i:g-&($(VhCHFF * %(r^ 1l REFFN%(;/C 2CVmS'C6l.'C R7=

$ * :8 q * :8 RES2 $ q * !!8 *":8 D *UW08

x

v>(x,t)

y

v<(y,t)

^ 0O7K#1lCWuRp ,;/ @BARHr, 13RY V R= K'QSCH1lQS %=G060 7 = B56l.'CW R=?0(V`? 0O.:; R_ In;DZ[

(

Page 10: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

^]0NSRFNF%%0R ;/C R=l=?K#C6l.SRE6 M 6l. 0 7 R 2 0 RE1lC Vh S=?63R6:=h6;/C .SR%C * :8

u 0R # 7 B5*% " # 8i# 0R # 7 3 S*lB# 7 lpB# 83u 0R *# 7 lp# 863 *UXuU%8

, m0FFNKS=?61:RE6lCJ6l.'C CHo9CEVh6 B<13RS2 'CE== 6.'C VHREFF 2CHS=G06G%-; CQ'FN 76 6.'CE=GCt 7K'1J2CHS=?0N6l0NCE= 16l.#CJVHR7=GC B * !8 u lNL=G0d 7 7 RES2 t =?CHC6.'CO713RQ'.S=0^]0NO7K'1CX7 ,/.'C6a;/ O1:RQ#.S= 0 6.'C6l 7Qr1l B; .SR%C Vd 7S=G6:R6+6l.'0N6l0NCE=5R 2 6l.#C 6a; O71:REQ'.S= 0N 6l.'CFCV 6+Vh 7FNK'.SR%C+Vh S=?63R6/VRFFS.' F(20N'O6l0NCE=hj 6.'CH1i; 0(=?C 6.'C+6l0 CE=]RE1lC+CpQ 'CH6l0>RFFN 20(=G6l1l0NM'K'6CE25; 0N6l.6.'C=lREC<C_R

TU6 0>==?0O'0Rm VHR66l.SRE6 6l.#CE=?CJO713RQ'.S= 2 # 76REFF5F % &DRFN0%C%T4+0%CHDCpQS 7'CH6l0>RFL6.'0_m6l0 CE=*B6.'C MS 76l6 7 1 B; O713RQ'.S=:8:/6.'C VHREFF .' 7F>20'Om60C 20>=?6l10M'K#6l0 C0>2CH6lFNm2 %CE=' 6 R66lCH1JKSV!. -?+ ; C%CH1 6.'C6l.'1CHCO713RQ'.S= 6l. R6+Cp'VdFKS2C 6l.'CF B; CH1/10O7.6 O713RQ'. R1CPZ%K'0N6lC 20Ro9CH1CH6H

Z 71C OCH'CH13RFNF%M;/C =?CHC.' B; ;/C VHRE =G6lKS2RE1l0 KS=+In;DZ 2CHF>= 6.'1l K'O7.rO71:REQ'.S=d

D N+ CEIT Is N Qt 7CB I BTU[6l.#0(= =GCEVh60 7 +;/C 20>=lVhK =l= 6l.#CT; RH#= 0 ; .'0(V:.[ 7K#1MSR7=G0(V.'0O.:; RHDIn;DZ 0(=' 76)&(c~,6@M'K#6,9id&(c&gU&(k9L0U C6l.'CJMSR=?0(V In;DZ 2CHFL0(= R M'K#0F(20'O M'FN VX 1Vh S=?61lKSVh60'Or 71C CF(RMS 1:R6C.'0NO7.M; RH[ 2CF(=hTU 6l.#C #Cp6J=GK'MS=GCEVh6l0N 7S=d; C 0S20>VHR6C .' B; 6 [Vh S=?61lKSVd6 2CHF(=; 06l. 6.'C 7FNF B; 0#O CER6K'1lCE= p

j+'CH@ AR_ , 13RY V ; 0N6l.rILR=l=?0N'O

? 0NO7.M; RHs; 06l.r,; 7@ A[RHr, 13RY V

? 0NO7.M; RH CH6a;/ 1J0XW P RE1:=+ZmR0'OJZ K'FN6l0NQ'FC P REFF>=h

"- V(' X "!;<= 0FNFKS=G6l1:RE6lCE2 0 ^]0OK'1lC Wc; CVHREm 2CHF RJ.'0O.:; R_f; 0N6l. 'CH@ ; RH 6l13RY V .SR0N'OVR1:=+6l.SRE6QSR=l=CER7V:. 76l.#CH1JR7=JR =GK'QSCH1lQS =?060 6l.'C MSR=?0(V.'0NO7.M; RH[ 2CHFU nCH6 MSCr=? 7 Cm*URE6 =?6Vh K'63RM'FNC78 0S2Cp B0 2CHQSCHS2C6L.#0O7.M; RHJI9;DZ =G'=G6lCH =dA C 2CHmS#C 6l.'C ROO71lCO%R6C<Q'1 VhCE=l=GCE= R 2 R7=

* :8 * :8 R 2 * !!8

* :8 D *UWE8

%0N0F>R1lFN%7FNCH6 RS2 M C 2CVmS'CE2M

* :8 * :8 RES2 * :8 * :8 D *UWu%8

Page 11: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

^]0NO7K'1CmXNap"4+13RQ'.S=J 6l.'C 4-onC_Vh6 B CH6lC1l0N'0(=G6l0(Vq%CH13=?KS=J4+pQS 7#CH60(REF<,/.'0N RES2 P RFNF0#O,/0 CD 0>=?61l0M#K'6l0N 7S= 7 6l.#C ;%CH1:REO7CP RFNF0#Os CHS=G06G%

u

Page 12: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

,/.K =h RQ'Q#1l Bp0N R6C0S=G6:R6:RE'CH KS=< o9CH1lC_2 FN %R72#= B .SRS2 o = RES2 1l0NO70 R6l0N'OrVHRFNF(= 71 VhCHFNF* '85RE1lC *%:8 * :8 *%:8 * !!8 8 $ *%:8-; 36^ ! ^ $ ! g *":8UB *k8 = k *?8

R 2

* :8 3 * :8 = $ * !8 @ * !!8 = /8 & *%:8 ; 3 ^ ! ^ $ ! g *":8U B5*-k78 = k D *?3 8

^]0NSRFNF%;/C M'6:RE0mR= REQ'Q'1 p0 R6lC M'F V20N'O CH6l10(VH=d

* 7 8 3 !! & *-k78 1 * *-k78 *k78l8 = k 3 !! $ *-k78 = k *? t 8

R 2 *% 7 ! 8 3 !! * k78 1 * *-k78 *-k78l8 = k 3 !! * k78 = k D *?V08

IT" LN QtKN RIX CRN"! Qt TU 6l.'0>= =?C_Vh6l0N 7y;/Ct K#1l6l.#CH1J=?QSCEVh0>RFN0YHCJ6l.'C .'0NO7.M; RHIn;DZ M R7=l=GK'0N'O'-mS13=?6 6.SR66.'CrVHR13=RFNF/.SR%CJ6l.'C =lR C Vh 7 =?6:RE6%CHF Vd06GDRS295=?CEVh S2nL6.SR6 1CER7V:. k 6l.'C 6l.'0N 60C_=<RS2 VHREFF.' F(20N'O<6l0NCE=RE1lC 0 2CHQSCHS2C6 1:RES2 7R1l0>RM'FNCE=-; 0N6l.6l.#C =lREC 20(=?61l0NM'K'6l0N 7S= R7= 0 7 RS290 1lC_=?QSCEVh60%CHFN%6.SR6RE1lC0NS2CHQSCHS2CH6+ 6l0 CPk%%0SVdCRFNFLVR1:=+ B%CR6=G 7C Vh 7 =?6:RE6`%CHF Vh0N6GS#5*-k :8 %*% " k83:n*k n8 k l P#S'R 2 [L* :8 " P#

A C. R%C =?CHCm6l.SRE6 REFF 6l.'C Z%KSRE606l0NCE= 06lCH1CE=?6 VHRE MSCJVh Q'K'6CE2 O0%CHr6l.'CJVHREFF 2CHS=G06G * :8:+^' 1 6.'0(=/Cp#R Q'FC%%0N6 0(=/CER=? 6l J2C6lCH10'C+6l.#0(= VHREFF 2CH =?06G%+0Ro9CH1lC60(R60'O * t X 8r; 06.1lC_=?QSCEVh6 6 O70%C_=

* !!8 B * " P#'8 . 0 7 3 # 0 7 l0 2 *UXE8

B * " P#'8 8 . 0 7 3 P# 2 " . 0 7 l0 3 P#<2a; D *UXu%8

T M;/C R7==?K' CL6l.SRE6 0 7 RES2,0 R1C5CpQS 'CH6l0(REFFN<20>=?61l0M#K'6lCE2; 06l.13R6lC 7 RES2 E1lCE=GQ C_Vh6l0[%CHF%6l.#CH * :8 7 IB* " P#'8 C3pQ* " # 8 " CpQ* " 7 P# 8 7 " D *UX t 8

T 6.'Cm 76.'CH1 .SR 2n~; C[R=l=?K#Cm6l.SRE6X0 7 0>=Vh 7 =?6:RE6RS2 *B6 M CVh S=?0>=?6lC6T; 0N6l.p6.'CCpQS 7'CH6l0>RF VHR7=GC7810 7 B# 7 6.'CH

* :8 %$ u 0R # 7 B * " P#'8%CpQ9* " P# l # 7 8# 0R # 7 3 *UX08

B;;/C 1lC%C1:=?C =?06KSR60 S=RS2 R7==?K'C 6l.SRE6 0 7 0(= CpQS 7'CH6l0>RF RS2 0 0(=Vd 7S=G6:R6q; 06.0 # LA C' B; .SR%C

* :8 %$ B5*% " P#'8%CpQn* " 7 P# l 7 # 8i# 0n # B5*% " P#'8:*BC3pQ9* " P# l # 7 8 " C3pQ* " # 88# 0n # 3 *UXuN%8

HW

Page 13: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

0channels

in use

1channelin use

c−rchannels

in use

cchannels

in use

. . . . . .

λH + λC λH + λC λH + λC λH λH

(c−r+1)µ cµ(c−r)µ2µµ

^]0OK'1lC op %63R6CQSR7VhC 0>RO1:R 1<,1lK'_ C_=?CH1i7RE6l0N 7rZ 2CHF-

B; FCH6 *%:85MSC 6.'C "%kdil"i!)&(e%f"(@n)EdidkH&(hg-&(c R 6lC1 60C 1+VhCHFF * %U; .'CH1C

$ * :8 &% & *%:843 ^ ! ^ $ ! g *":8 = *k78 ,,,,, $ *%:8 u * D *? 8

ADC O0%CRJ=?0NQ'FNC CpQ'1CE=l=G0 7T 1 *%:85MSCHF B;EGFIHH XH>UjW J `%i"(@@g-&(c l) "%$'e h2@[@L&($gGdidkH"(@ ) * % G K < #"%k

$ * :8 36^ ! ^ ! g * !!8-'B5*-k78 = k /8 $ *%:8 ; D *?X%8

EGFIHHKJ9Y CHmS#C 6.'CQ'1l VdCE=l=GCE= RES2 ; .#CH1lCD 71 RFNF4:/ [L*":8:; C . R%C[*: 8 3 f^ $ ! ` bcd e ! q b md i = *k8 R 2 *: 8 3 f^ $ ! . 0S*20 g 9:n*"k78l8 " 2 ` b#cd e !]q b md i = *-k78 D*?W%8 6lC 6l.SRE6[*[L* :8l8 $ * :8R 2 *[L* :8l8 @ ^ ! ^ ! g *":8 = *k78:DZ 71CH B%CH1H 0>=RI] 0(=l=G 7rQ'1l VhC_=l=+R7=+R K'SVh60 7 B : RS2 6l.SRE6

*: 8 3 f^ $ ! . 0Nn*0 g :n*"k78l8 " 2 = [*k8 D *? u 8

B; ;/C RQ'Q#Fm*-V85 IL1l 7QS =?060 u t RES2 =GCH6N: [L* !!83HX

Page 14: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

> ? ? /I D C Q9N+ RIX CB P CB TU6l.'0>==?CEVh60 ; C50S20>VHR6CL.' B; ; C/VR 7M'63R0NRQ#Q'1l Bp0 RE6lCLM'FN V0#O/Q'1 7MSREM'0FN06l0NCE=c 71 VdCHFF>= 7 VhC6l.#CH .SR%C MSCHCH Vh 7S=G6l1KSVh6lC_2n<,/.'C_=?CM'FN V0'OJQ'1 7MSREM'0FN06l0NCE=/CpQ'F 06 Z"j`[RS2DI/; .#CHK'1l0>=?60(VH=Q'FNKS=/Cp#R7Vh6 1CE=?K'FN6:= 1 6l.'C.'0NO7.M; RH In;`Z[

v<=?0N'O Z"jDn@ F0[%C<CE=G6l0 R6l0N 7 CH6l.' 2#=h;/C VHREm2CVmS'CD 71 RrVhCHFF * %RCH61l0(V *% 7 8 71+6l.#C 13R7Vh60 BEV@`EQ%e `%id&u%&($'"7g-&($( :"(@[@ ) 2K'1l0N'OJ=? C<0N6CH1RF *% 7 8 R= REQ'Q'1 p0 R6lCF

*% 7 8 3 !! $ *k78 1 * g * 88 = k 3 !! *-k78 = k *?E8

; .'CH1C $ *k78 @ * k78 = '5%00NF(RE1lF; C<VHRE 2CHm 'C<RCH61l0(V *% 7 ! 8- 1/6l.#C] 13R7Vh60 7 e%il`H,,Se #"%$'e%` :"(@[@ ) CH6lCH10'OJVdCHFF * %2K'1l0N'O 6.'CM'KS=G.' 7K#1 * 7 8 6l MSC *% 7 8 3 !! * 9k8 1 * g * 88 = k 3 !! * k78 = k *?u%8

,/.'C RSREF#=?0(= RMS B%C<R=l=GK'CE=L6l. R6/. RS2 Bo = RS2 1l0NO70 R6l0N'O VHRFNF(=5R1C<6l1CER6CE26l.'C =lREC%7M'K#606 RHmMSC 2CE=?0N1:RM#FC6 mO70%C .SRES2 Bo=JQ'1lCH C1lCH6l0>RFL61lCERE6lCH6Hj #CT; RHD6l D2 m6.'0(= 0>= ; 06.6l1K'[1CE=?C1R60 7 5R7=20>=lVhKS==?CE2[0N <CHFFN H RS2 Z 061:R4+0NM'MSCHS=R 2 ?+KSR'O t UmA CrVHRERQ#Q'F I/;+@BFN0%C<CE=G6l0N R60 7JCH6.' 2'=/6 JRSREFYH0'O. RS2 Bo =~; 06. 61lK'_ 1CE=?C1R60 7 =h/%K'Q#Q =?C6l. R6CERV!.DMSR7=GCr=?6:RE6l0N 7[Q'1 B0>2CE= V:.SR'#CHF(=<M'K'6JR20N6:=<'C; 1l0O0SRE6l0N'OmVHREFF>= 7#F; .'CH RE6FC_R7=?6 l V:.SRE''CHF>= R1lCD 1CHC%5,/.'C 6l0 CH@B.# 7 O7CH'C 7KS=5ZmR1i% B0>Rf%CH1:=G0 B5=GKSV:. RJ=?#=?6CH 0>==?QSCEVd0RmSCE2M6l.'C=G6:RE6lC =?QSRVhC20>RO713R 0^]0OK'1lC % *UR=l=?K#0'O R Vh 7S=G6:RE6 =?CH1i0>VhC 1:RE6lC T 71 REFFVHREFF(=:8:^'1l MSR7=G0(V M'0N1l6l.#@URES2@-2CER6. Q#1l VhCE==<6l.'CH 1l%6;/CJ=GCHC 6.SR66.'C=G6lCER2@-=?63R6C Q'1 7MSREM'0FN06G 71 21 7Q'QSCE2 .SRS2 oD6l13RY V<0(=/CIZ%KSRF6

1 * 8 * l 8 1 ') 1 7 * l 8

l * l 8 1 * " l ! 8 +- *? t 8

R 2 6l.#C =G6lCER2 =G6:R6C Q'1 7MSREM'0FN06Gq 71 RFF9M'F V2%CE2 61:RY V<0(=

1 * 8 7 * l 8 1 * " l ! 8 ') 1 7 * l 8

l * l 8 1 * " l!'8 +- D *?08

A C; 0FNF<KS=GC 1 RS2 1 0N *G% t 8 RS2 *G% 086 2C%CHFN 7Q R I/; REQ'Q'1 p0 R6l0N 7p0N 6.'C' S=?63R6l0N 7SRE1lm 2CHFU/ADC . R%C 6l.'C 6l0NCH@-2CHQSCHS2C6 R1l10RF 1:RE6lCE= 0 * :8 RES2 * :8:'M'K#6;/C 'CHCE2 6l T' B; REDRQ'Q'1 7Q'10(RE6lCJR%CH1:REO7C =?CH1i0>VhC6l0 C%^' 1<6l.'0>= Q#K'1lQS %=GC%c 1Gk [L* :83'FCH6 g *":8LMSC6l.'C i:l)&(e%f"(@ :`%$#kdil)"7gU&(`%$mgU&(c R 6CH1 60C 0rVhCHFNF5* %c 71 R VHREFF6.SR6 R11l0%C_= 6 6l.#C .#0O7.M; RH RE6 6l0NCk; .#CH1lCr[L*":8 k [L* :8: 71 g *":8 . 09*20 g :n* 9k88 " 2 % ` b#cd e !]q b md i D *?uN%8

ADCVHRE CpQ'1lC_=l= 6l.'C =?K#s B 1lCE=G0(2KSREF6l0NCE= 0NmVhCFFL* RE6<6l0NC+R7= @ ^ $ ! ^ ! g *":8 = *k83kW/6l.#C Q#1l 7QSCH16l0NCE= B5I 70(==? 06lCO71:RE6l0N 7[*-=?CHC6.'C ; Q'QSCHS20[p 83:; C VR CpQ'1lCE== 6.'CCpQ C_Vh6:RE6l0 6l.#0(=/1:RES2 RE1l0(REM'FC R=

&%]3 ^ ! ^ ! g *":8 = *k78 * 36^$ ! ^ $ ! g *":8UB *k78 = k D *?uU%8

Page 15: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

EGFIHHKJ9Y ADCKS=?C0 2KSVh60 7 7 5,/.'C1lCE=GK'F6 0(=/0 CH20(R6C 71 u ?+CHSVhC%=GK'Q'QS %=GC 6l. R6 3 * !83<%0SVdC MS 76.[=GCIZ K#CHSVhCE= RE1lC0NSVh1lC_R7=?0N'O'6;/C R1C2 'C0R 3

* :8:+,/.'CH1CH 71C%c; C 'CCE2

7#F Vh S=?0>2CH1+6l.'C VHR=?C *%:8:rW/ 2CHm '060 7 !U* 813 RS2r=? !G* *%:8 863

7FNF B;+= 1l 7 3 *%:8 W/6.'C1lCEVdK'1:=G0%C 2CHmS#06l0N 7r # *%:83c; C .SR%C 0NJCE20(RE6lCHF

6l. R6 3 *%:8:

nCH6 &]* !8 CIZ K RF 6l.'CK'JM C1 B 2SRE0(V VhCHFNF(= 'CHCE2C_2 R660C d ADCJVHRE[Vh Q'K'6C6l.'0>= M 7M =?CH1i0N'O6l.SRE6

& *%:8 ! * u H'p8# *$Uu%8; .'CH1C 0(= 6.'CJFCER=?606lCHOCH1O71CER6CH1 6.SR[ 1 CIZ%KSREF 6 LRES2 ! * u H'p8 CIZ%KSRF>= 6.'C R%C1:ROCZ%K'CHK'C+FCH#O76l. 06.'C=?C_Vh 7S2 Z%K'CHK'Ck 71+R6a;/ =G6:RE6l0 ! #(% ! #(' @ 'CH6a;/ 19L,/.'C =?C10(VhC 60CE=5RE66l.#C~mS1:=G6 =G6:R60 R1C<6l.'C+6l.#060CE=L0 g " k M; .'0FNC 6l.'C =?CH1i0>VhC 6l0NCE=LRE6/6l.#C=?CEVd 7S2=G6:RE6l0 R1C6l.#C VRFF9.' 7F>20#O 60CE=0 g " 0 g nCH6 * 9M C R 1CHO70N 7 6l.'C.'0NO7.M; RHs; .'CH1lC; CD; RE6 6 QSR16l060 6.'C1lCHO0 0N6 6.'C 7Q#6l0 RFnK'JMSCH15 VhCFF(= 2K'10'OJRO70[%CH6l0NC+06lCH1i7REF5*-k GnK#S2CH1 6.'CD 7FFN B; 0'OJVh S20N6l0 S= p

7+45R7V:.rVhCHFNFP; 0FNFVHRE1l1 R6+ %=G6 =G0JK'F63R'C 7KS= VHRFNF(=h+,/.'C BonC1lCE2 F %R2 VHREFF>=/6l 6l.#C VdCHFF>=; 0FNFnMSC C3%CH'FJ20(=?61l0NM'K'6lC_2n

t +45R7V:.rVhCHFNFP; 0FNFn6 7FC1:R6C' 71lC 6l.SRE =G 7C 1:RVh6l0N 7 56.'C0'0N6l0>R6lC_2VHRFNF(=5M'F V2%CE2n0'+45R7V:.rVhCHFNFP; 0FNFn6 7FC1:R6C' 71lC 6l.SRE =G 7C 1:RVh6l0N 7 6l.#C . RS2 Bo VRFF>= 21l Q'QSCE2n

ADC 6.'CH V:.' % %=GC 1=G 7C 1 RS2 =? 7 C6l0NC/: R QSRE1l606l0N 7 VhCHFF>= *: 8 DD'D <*-:S8D; .'CH1C *-:S8 * *-:S8 *-: 8-U" 7 *-: 8 *: 8 +*-: 8 S T 56l.#C o9CH1CE2 FN %R2 0(= C%CH'FN20>=?6l10M'K#6lCE2n6l.'C f * *-:S8l8 f *L*-: 88# 1 k4 0[%CH 5'RES2 :; C ; 0NFF9=lRH6.SR6 6.'C< Q'6l0N RFK' MSCH15 B VhCHFNF(= 0>= 1 *]8:6; .'0(V:.0(= 2CHmS'CE26 MSC6l.'C0N'0 RF'0N6CHO7CH1 1 =GKSV:. 6.SR6

Rp e e @ !g f * *: 8l8 1 * f *]8i# 1 8 = :@ !g f * *-: 88 = : 3 *$U t 8

R 2 Rp e e @ !g f *

*-: 8 : 8 1 * f *]8# 1 8 = :@ !g f * *-: 8 : 8 = : 3 D *$U08

6lC6l.SRE6 1 *]863 1 7 *]8:6; .'CH1C1 7 *]8 0 $ 1 ,,,,, 1 =?K'Qg e f'e ! f *]8i# 1 3 09* 58 D *$UuN%8

A C+06lCS2 6 =G6lKS2CH6l.# 2'= 715CHo9CEVd6l0%CF~mS 20'O 2C_=?013RM'FNC 6l0NCH@-2CHQSCHS2C6 VhCHFNF(= ` *-:S8 i0T K'6K'1lC; 719

U

Page 16: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

VHREQ'6lK'1CE= 6.'C CHo9CEVd6 B56l.'CJ20(=?61l0NM'K'6l0N 7r MSCH% 7S2 063= C_R9=?CHC <R0>=h9ZmR7==?CH%9R 2 Ap.'066 dU

? CHSVdC<6l.'C Z"j`DRQ'Q'1 Bp0N R60 7T 1 6l.'CM'FN V0'O CH6l10(V 0D*$Nu 850>=

*% 7 8 3 !! *: 8 1 * $ *-: 88 = : 3 !! *-: 8 = : D *$NX%8

C C BACB P N CRP Q ! CKN I B ADC ' B; 0NFFNKS=?61:R6C5.' B;h;/C VHRJREQ'Q'FN 6l.#C/.'0NO7.M; RH In;DZ 6l R~; 01CHFCE==]Vd 7JK''0>VHR60 7 =?#=?6lCmP5 7 =?0(2CH1 6l.'CQ'1 7M'FNCH B 200(20'O 6l.'C.'0NO7.M; RH06l VhCHFNF(=/=G 6.SR6+6l.#C Bo9CH1lCE2FN %R72 0 CERV!.rVhCHFNF0(=+R6 %=G6+R=?QSCEVh0nmSCE2 +A C 0O.6 2CH6CH1l0N'C M =?QSCEVh0n 0N'OR ! #"%$'$ 2@ :"H,'"%&gU^ 71<CERV!.VhCHFNFLRES2DR 6:RE1lOCH6 VHRFNFEH@`EQ&($&,9i`E:"EH&@&g-^,/.'CHKS=G0'O 4L1lF(RE'Ol =~ 71lJK'F>R6;/CJVHRE mS 2 6.'CK''0CZ K#C`!i!eT@`E"%e =?K V!.r6l.SRE6 1 * 8 Hv<=G0'O Z"j` R7= 0S=GQ'013R6l0N 76;/C 2CHmS#C 6l.#C `di:e@`E"%e~ 71* %RE6 60C/6 MSC6l.#C CER7=GK'1lC ! * '8 2CHm 'CE2M

!-* '8 3 * !!8 = $*":8U " * :8U D *$UE8

ADC .SR%Cr=?.' B; p0Np,/.'CH 1lCH t r6l.SRE6 *":8 " * !!8. R7=RDI] 70>=l=G 7 20>=?6l10M'K#6l0 RES2 0>=0 2CHQSCHS2C6 * :8 " * :8+ 71+RE 6l.'C1<20>= (G 06 =?Q R7VhC 06lCH1i7REFL* -

^' 71 Vh 7 =?6l1KSVh60'OrVhCHFNF]MS K'S2'RE1l0C_=h]6.'CH1CJR1lC6a; R6lK#1:RF VHR=?CE= pJe%^7$'"%c&( h2@@rE:`%f$'e%"%ih&B)d; .'0>V!.R1Ct K'SVh60 S= B+6l0 C% RS2 8%e[h2@[@kE:`%f$'e%"%ih&B)d Ap06.[2SRE0(VJVhCHFNFLMS 7K'S2#R1l0NCE=h+; CVh S=?0>2CH1 RFNF 60C QS 706:==GCHQSR13R6CHF%JAp06. m6pCE2DVhCHFNFLMS 7K'S2#R1l0NCE=h+; C K =?6<.SRES2FNC6l.'Cs;/ 1:=G6VHR=?C%mADC Vd 7K'F>2[RF>=? DVh S=?0>2CH1MS 7K' 2'R10CE= 6.SR6JVHRE M CrV:.SR#O7CE2[RE6 7'FN"mS'0N6lCHFNm Rm6l0NCQS 70N63=h'M'K'6;/C 2 # 76H

;<=l=GK'0N'O6l.SRE6<6l.#CR%CH1:REO7C o9CH1CE2 F R72T K'SVh60 7 ! * 8 0D*LUE8+VHRE MSC2C6lCH10'C_2ne 1RO0%CH 6;/C VHRE 1CEVhK'13=?0[%CHFJ2CVmS'C 2SR0>V VdCHFF9M K'S2'RE1l0NCE= R= FFN ;+= p

7<%C6 7 *%:8 u D4+0%C

*%:83'=?C6 *%:8 =?K#Q ` *%:8 sRES2 ! * * !8 '83 i A C VHRDREF(=G 2CHmS#C m6pCE2 VdCHFFMS 7K#S2'R10CE=~ 1<R5m '06C 6l0NC06lCH1iRF u 0 M 6l.#C 7FNF B; 0#O

=?C6 51CEVhK'13=?0 1lCHF>R6l0N 7S= p7<%C6 7 u D4+0%C : 71 C_R7V:. u 3 630'=GCH6 *%:8 =?K#Q ` RS2 ! * 863 i t B; =?CH6 0N: 7 e ! e b *%:8:

TU60(= 0N6K'060%CHFN 7MM0 7K = R 2 CER7=G 6 Q'1 B%C 6.SR6 C;/CH1 2 R0>VVhCHFF>=R1lCJ'CHC_2CE2m6l.SRE"m6pCE2VhCHFNF(=+ 71+RrR%CH1:REO7C< BonC1lCE2 F %R2 K' Vh6l0N 7EGFIHH XHUjW J VK5di e%^$'"%c&(mh2@@ )D"%i! $ :ee[g #"%$ 8%e h2@@ )r)&($'ha`%i "(@[@/K #"%k 3

*%:83\

N

Page 17: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

W/CH 71CD;/C 20>=lVhK =l=/.' B; 6l JRQ#Q'1l Bp0 RE6lC+6l.'CE=GCM'F V20N'O Q#1l 7M RM'0NF060CE=d:; CVh 7 =?0(2CH1k; .SR6k; Cc "%$ M M#F V20N'O<Q'1 7MSREM'0FN06G0 6.'C+Vh 6Cp6 9' S=?63R60 7 R1l =?#=?6CH =d nCH6 *%:8MSC 6.'C+R11l0REF1:RE6lCRES2 FNCH6* :8]MSC<6.'C+K'JMSCH1L B M'KS=?61lK'_FN0'CE=5RE6/6l0NC 71/6.'C` "!$#(%# # u =?#=?6CHm B;FC6<*% 7 8 2CH' 6lC Rr06lCH1i7REFn B56l0NC BL0N6CH1lC_=?6H#RS2 FCH6

* 7 8 3 !! *-:S8 * *: 8 8 = : 3 !! *: 8 = : *$Nu%8

; .'0>V!.[0>= 6l.'C CpQSCEVh6CE2 K' MSCH1 M'F V2%CE2[VRFF>=2K'10'Om6.'C 06lCH1i7REF<* 7 ! 8: 200(2CE2 M 6.'CCpQSCEVh6lC_2 K# MSCH1 RE1l1l0[0N'ODVHREFF(=2K'1l0N'Om6l.'C =lREC06lC1RF-y 76C 6.SR6 1 6.'C #&% # # u 2CFUP; C .SR%C * 7 ! 8 1 * B83s^ 1 RHmRQ#Q'F0>VHR60 7 =h06 =?CCH = 71CJRQ'Q'1 7Q'10(RE6lC6 CER=?K'1C6l.'C Q'1l Q 1l60 7m B R1l100'O VhKS=G6l CH1:=/6.SR6 R1lC M'F V2%CE26l. Rm6l.#C Q'1 7QS 716l0 B56l0NC6l. R6L6.'C =G'=G6lCH 0(= RR0F>RM'FNC% ,/.'0(= R%CE=n6.'C; CH0O.6CE2R%CH1:REO7C *% 7 8 R 71C =GK'063RM'FNC/CH61l0>V 71+M'FN V0'O 0 6l.#C !$#(%# # u =G'=G6lCH 6l.SRE 6l.#C =G0Q#FC+6l0 C<R%CH13RO7C

* 7 ! 8 " 7 3 !! * *-:S8 8 = : D *$N t 8

? B;/C3%CH1H; CJVHRDKS=?C6.'C6l0NCH@-2CHQSCHS2CH6 M#F V20N'Ot 71 K#F(R * *-: 8 8+6 Vh 7 Q'K'6lC CH06.'CH1 *% 7 80 *$N 8 1 *% 7 80 *$N t 83 *U; FN6l.' K'O7.JRE6-mS1:=G6LO7F>RSVdC *% 7 8 RQ'QSCERE1:=L6l M C 6.'C 1:RE6l0N C3pQSCEVh63R60 7 = 0 =?6lC_R72 B R CpQ C_Vh6:RE6l0 B5R1:RE6l0 RS2' 6/Cp#R7Vd6lF6.'C<CpQSCEVh6CE2Q#1l 7QS 1l6l0N 7 VhKS=G6l 7 CH1:= M#F V2%CE2 0D6l.'CJ06lC1RF * 7 83]6.'C F>R66lCH1<0N6CH1lQ#1lCH63R6l0N 7m0>= k"(@&(et; 06.[R0N' 71 20nm9VHRE6l0 R7=k;/C =G.' B; 0 nCH R u t 8

,/.'CkmS1:=G6 RQ#Q'1l Bp0 RE6lC+R RF#=?0>=LCH6l.# 2;/C+Q'1lCE=GCH6 0>=L6l.'C,#`%&($g$K & )E )dg-"7g-&(`%$'"%ih^ "H,,9il` 8&(c"(.g-&(`%$ *UI/;8::; .#0(V:. 0>= * *%:8 8 1 * *%:8 8 D *$N08,/.'0>= 0(=RDREQ'Q'1 p0 R6l0N 7m6CEV!.#'0]Z%K'C6l.SRE60(=<REQ'Q'F0>VHRM#FC6l Rm6l0 CH@B0N'.' O7CH'C 7KS= Q'1l VdCE=l=d,/.'C I/; RQ'Q#1l Bp0N R60 1 6l.'CM'FN V0#OCH6l10(V 0m*LN 8 0(=

*% 7 8 3 !! *: 8 1 * *: 8 B8 = : 3 !! *-:S8 = : D *$NuN%8

,/.'CH1CRE1lC RE FN00N6:R60 S= 6l rI/; TU6 2 %CE=' 76 Q'1l Q C1lFDVRQ'6K'1lCJ6l.'CJ.'0>=?6l 1lDRES2 060>=0 =?CHS=G060%C6l m6.'C 20(=G6l1l0NM'K'60 7 m; REF6CH1lSRE6l0[%C 6 mI/; Vh CE=~ 1l RE[Cp#R7Vh6 RSREF#=?0>= 6l.#CX ! #(%#(' Z K#CHK'C%mADC VR 7M'63R0N R 61:RVh6:REM'FC ' S=?63R6l0N 7SRE1l R RF#=?0>= Rm=?#=?6CH 0NCp#V!. R'OC 71 R7=l=GK'0N'O 6.SR6;/C . R%CrREp0:mS#06lCrK# MSCH1 6l1K'F0#CE=h nCH6 H* !8 MSC 6.'CK' MSCH1 M'KS=G 6l1lK#FN0'C_= 1 6.'Cq "!$#&%#(' Z K#CHK'C%+T L6.'C=G'=G6lCH =G6:R16:= CQ'6G 0N 6.'C QSR=?66l.#CH h* :85.SR7= 6l.'C I] 0(==? 7 20(=G6l10M'K'60 ; 0N6l. CERE

$ *%:8 *%:8U 3 !! *: 8 = : *$NuU%8

=?CC4L0(V29ZmR7==?CHDRES2 Ap.#06l6 UT4+ 70N'O M R7V2 6l r6l.'Cs ! #(%# # u Z%K'CHK'C 6.'C c`e%& e `di:e@`E"%e"H,,9i` 8&(c"7gU&(`%$*-Z"jD]850>= * * :8 8 1 * $ *%:8l8 *$N 8 71 $ *%:8 0(= *$N U 89<=?CCmo%ROCH1l R U+RES2pZmR7==?CH R 2 Ap.'066m u U o7KS=?6FN0%C I/; /Z"j` 0>=Cp#R7Vh6 71 6.'C=?63R60 7 R1l #(%# # u 2CHFU%MSCEVHREKS=?C 6l.'CH $ *%:8 * :8 U+v+'F0[%C+I ; 'Z"j`

H0

Page 18: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

0channels

in use

1channelin use

kchannels

in use

cchannels

in use

. . . . . .

λ λ λ λ λ

(k+1)µ cµkµ2µµ

^]0NO7K'1CNop %63R6CQSR7VhC 0>RO1:R 1 6.'C 4 1F(RE'OJZ 2CHF-

t

Page 19: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

;<= 0N CEVh6l0N 7 t FCH6 2CH' 6lC6.'C =?K' +6a;/ 13RS2 RE1l0(REM'FC_= 6l. R6RE1lC =G6l V:.SR7=G6l0>VHRFNF0 2CHQSCHS2C6]ADC ; 106C : 0R JLA C; 0NFFnQ#1l B%C<6l.#C FFN ; 0N'O1lC_=?K'FN6/0 6.'C; Q'QSCH 20p9MPO4QHFIQS sUjW J `%i<"%$#^%&(kd$Dh2@[@]* FG5g( SLa`(@@`K &($(mi!)fe@g()< #`(@e:A

-"w7n S "%idid&(kH"(@:,9i`h):)`?a :"(@[@ )g-`h2@[@L* % & )<\ `%& ):)`%$ "%$#e f"(@ ) * :8 $ *%:8 " ' =' % D * 0#uU%8

LEw7n S eL,'"%i:g-fi:,9i`Ehl):)`?a :"(@[@ )5ail`%c h2@@L* & ) \ `%& ):)`%$r"%$'e f"(@ )D*":8 $ * :8 " ' =' % D * 0# 8

- J &($'"(@@^GK < #"%kELa`%i "(@[@ 2G

* !8 * !!8 & *%:8U : * !!8 $ * !8- D * 0#X%8

> ? ? /I D C Q9N+ > Q ! C Is N TU 6.'CJ'Cp6 6.'1lCC=GCEVh6l0N 7S=d ;/Cs; 0FF =G.' B; .' B; ;/C VHRE RQ'Q#Fm6l.#C .'0NO7.M; RHDIn;`Z 6l r6l.'C 2CH@=?0NO7 RES2 QSCH1a 71l RSVhC R RF#=?0>= B R; 01CHFC_=l=Vh 7 K'#0(VdR6l0N 7 =?#=?6lCm ADCT; 0FNF+ 71lJK'F>R6lCJRERQ#Q'1l Bp0 RE6lC RSREF#=?0(= +6.'CT; 01CHFC_=l=Vh 7 K'#0(VdR6l0N 7D=G'=G6lCH MSR=?CE2[K'QS RE[Cp#R7Vh6 RSREF#=?0>= 6.'C .'0NO7.M; RH I9;DZ[PW/CV 71lC 2 0'O =? ';/C; R6 6 O70[%C6l.'C K'S2CH1F0'O 76l0[R6l0N 7f 71+6l.'0>=RQ#Q'1l Bp0 RE6lCRESRFN'=G0(= M1lC30NC; 0'O.# ; 6l.'C Cp'RVh6+R RF#=?0>= B56l.#Cq "!$#&% #&' 2CHFQ'F>RH'=/6.'C=lREC<1 7FC0N 6.'C RQ'Q#1l Bp0N R6CR RF#=?0>=/ 56.'C ! #(%# # u 2CHF-

^]013=?66l.#C #g # # u Z K#CHK'C+0(= 6.'CZmRE1% B0>R 2CHF 71 R 6lCHFNCHQ'.' 'C 61lK'_ O1l 7K#Q ADCVHRECHSVd 2C 6.'CVh Q'FNCH6lC2SRE0(V=/ 56.'0(=+ZmR1i% 2CHFM 6l.'C =?6:RE6lCJ=GQSR7VhC 6l13RS=G06l0N 7D20>RO1:R0 ^]0OK'1lCsN,/.'CH1lC 0>= 6l.#CVHREFF R1l10RF 1:R6C% 0>= 6.'CJ=?C10(VhC1:RE6lC% RS2 0(= 6l.'CK'JM C1 V:.SR'#CHF(=dDnCH6 MSC6l.'CJ=G6lCER2@U=G6:R6CK# MSCH1 B/M#KS=?r6l1lK#FN0'C_=hD^'1 7 =?63RS2'RE1:2mM'016l.'@-R [email protected]'1 VhCE== 6l.'C 71lc; C 7M#6:R0NDRVhFN %=?C_2@ 1l =? FK'60 X 71+6l.'CJ20>=?61l0M#K'6l0N 7 B RES2m2CH10%C6l.#C VdF(R7==?0>VHRF+ i2@"%$(fEH@`EQ&($( a`%idcf@"

* 8 1 * # 8 * # 8 1 1 7 * # 8

D *$NE8

,/.'C 4L1lF(RE'O M#F V20N'Ot 71 K#F(R O0%CE= 6.'CJQ'1l MSRM'0NF0N6?r6l.SRE6 RFF561lK'F0N'CE=<RE1lCJM'KS=G% ; .'0(V:.DRF>=? CIZ%KSRF>= 6.'C/Q#1l 7QS 1l6l0N 7J 9RE1l100'O VhKS=G6l 7 CH1:=6l.SRE6LRE1lC M'FN V%C_2` 1 7 CH6lCH10'O+6l.#C =?#=?6CHmZ 1lCH@ B%CH1HS0R# 0(= 6.'C=G6lCER2@U=G6:R6C K'JMSCH1 6l1K'F0N'CE= 71<6.'C' 7#@UZmRE1% B0>R #(%# # u Z%K'CHK'C; 06. 0- 0U 2np=GCH10(VhC 60CE= 20(=G6l10M'K'6CE2 R= w; 06. R OCH'CH13RF20(=?61l0NM'K'6l0N 7 6l.'CH * 8 1 * B89/0U C% 6l.'C #&%#Ik(# u 2CF/.SR= 6l.'C 0 =?CHS=G06006GmQ'1l QSCH1l6G>p6l.'Cr20>=?6l10M'K#6l0 2CHQSCH 2'= 6l.'C 20>=?6l10M'K#6l0 7'FN6l.'1 7K'O. 0N6:=/CERE

; 1lC<6.' 71 7K'O.mQSCH19 1l RESVhC RSREF#=?0>= B56lCHFNCHQ'.' 'C6l1K' O71 7K'QS=k 71:VdCE=/KS= 6l 2C_RF ; 06.RJVHRFNF R1l10RFQ#1l VhCE== 6.SR6+0(= ' S=?63R6l0N 7SRE1l% Ap.'CH 6.'0(=/Q#1l VhCE== 0>= # 7S=G6:R60 SR1mI] 0(=l=G 7; CVHREFFL0N6R ! #(%# # u =?#=?6lCm; F6.' 7K#O7.D6l.'0>= 2CHF 0(= 1lC1CERFN0(=?60(V7S06 0(=~-R1<FNCE=l=<61:R7Vd6:RM#FC%TU QSR16l0(VdK'F(RE1H:; CF %=GC6l.'C =?0NQ'FN0(Vh0N6? 6l.'C 4L1lF>R'OJM'FN V0'O 1lJK'F(R

Page 20: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

H(x1,t)

Q(0,x1](t)

C(0,x1](t)

C(0,x1](t)

+

Q(x1,x

2](t)

H(x2,t)

C(x1,x

2](t)

+

C(x1,x

2](t)

Q(xN−1

,xN

](t)H(x

N,t)

. . .

C(xN−1

,xN

](t)+

C(xN−1

,xN

](t)−

^]0NO7K'1CD0'Nap ; rTU:mS'0N6lC %C1%CH1 CH6a;/ 1 CHQ#1lCE=GCH63R60 7 BL6.'C? 0O.:; R_ Z 2CHF-

R 2 $ * :8 * !!8 " * :8 D * 0#u%8

%0N0F>R1lFN%70n;/C 2CHmS#C $ * !856 CIZ%KSRF6.'CK'JMSCH15 VRFF>=/0 VdCHFF * %R6+6l0NCh6l.'C

& *%:8 *":8 " * :8 D * 0# t 8

W/m,/.#CH 71CH t N7 & *%:8 .SR= R I] 70>=l=G 720(=G6l1l0NM'K'60 7; 06.mCERE ! * '8/0N *LUN8:J,/.'Cq-R7Vd66l. R6 71m pCE2 0(= RD=?Q R6l0>RF+I] 0(==? 7 Q'1l VdCE=l=VHRE M Cr1lCH0N6CH1lQ#1lCH6CE2 1JVhCHFNFK'F>R16l13RY V7 T D'DD R1C RQSRE01i; 0(=?C 20>= (G 06 Vh FFC_Vh6l0N 7 B VhCHFNF(=h; C 6.'CH .SR%C

* *%:8 D'D'D * !8 8 # * * !8

8 ! *

8 S

* 0#08

; .'CH1C0(=]6.'C/K'#0 7 B6.'C l =h+?+CH1lCr;/C =GCHC 6l. R6LFN0%C56l13RS=G0CH6L20(=?61l0NM'K'6l0N 7 1L0:m '06C =?C1%CH1'CH6a; 71#=/*-RQ'Q'1 7Q'10(RE6lCHFN 0#06l0>RFN0YHCE29E=?CHC 7h 8 R 26.'C CIZ%K'0FN0M'10K' 20(=G6l10M'K'60 7156l.'C+o%RV#=? 'CH6a; 71 N-]6l.#C In;DZ 2CHF5.SR7=R Q'1l 2KSVh6 71 =G6l1KSVh6lK#1lC%r; F6.' 7K#O7. 6l.'C In;`Z 2CHFR7==?K' CE= 6.SR6 6.'C<K' MSCH15 B R7Vh60%CVHREFF>= 0Nr20(=(G 706 VhCHFNF(=/RE6/60C R1lC K'6KSRFNF 0S2CQ CS2CH6H06J2 %CE=m$'`7g+R7==?K' C 6.SR6J6l.#0(=0(=6l.'CrVHR=?C 120(= (G 06JVhCHFNF(= 7M =?CH1i%CE2 R6 e%& di!d$g 60C_=h TUO7C'CH1:REFU; CVHR =lRH6.SR6

* :8 *n8U 3 ^ ! ^ . 0 g 3 1340 g 2 B *k78 = k D * 0#uN%8

; .'CH1Cr[L* :8 ` [L* :8 i 7

Page 21: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

;<=/0r CH RE1 t B h-06 0>= =?0NO7'0nm9VHR6 6l. R6+6l.'C< CERt 1lJK'F(R=/0 ,/.#CH 71CH t N 2 m$'`7g2CHQSCH 2 6l.'C RE1l10RF Q'1 VhCE==6 MSCH0'ODRmI 70(==? Q#1l VhCE==hyj] Vd 7K'13=?C%56l.'C I] 70>=l=? Q'1l VhC_=l=Vh SVhFK =?0 S=e%`2CHQSCHS2 7 M C0'OJI] 0(==? 7 /;<=/0ND HUFCH6 2CH' 6lC6l.'C =GK' 6a;/ 13RS2 Z%KSR6l0N6l0C_=h:; .#CH1lC6l.#C =GK' RES2'=5R1C=G6l V:.SR7=G6l0(VRFFN 0NS2CHQSCH 2CH6HMPO4QHFIQS TU \ 7n S a`(@[@`KL&($( &($'eL, !$'ed$'hri:2@"7g-&(`%$ ) #`(@ e a`%i g( S il"%$'e%`%c ,9i`Ehl):)El)G G G "%$'e A

-" J `%i"(@[@])a,#"%h2.Ug-&(c ~,#"%&(il) * :8 "%$'e * 8 KL&g [L* :8 [L* 8G * :8& )&($'e2.,Sd$#ed$g+`?aD* 8\

LE J `%i"(@[@ 2G g( S,9i`Ehl):)El) ` * !!8 u i "%$'e ` * :8 u i "%i: &($'e$,Sd$:.e!$g9\

-[b &(c&@"%i@ ^G'a`%i<"(@[@" u G5g( S,9i`Ehl):) ` * :8 " ' =' i & ) &($'e$,Sd$'ed$g `?ag( Sk,9il`Ehl):) ` * !!8 " ' =' i \

-e J &($'"(@@^Gna`%i"(@@n)a,#"%h2.-gU&(c k,#"%&(il)<* !!8iG

* !!8 * !!8 * !!8 * :8 D * t 3 8

6Q > Q ! CB ; 6 6.'0(= QS 06H ;/C; R6<6 6.'0_ 71lC 0m6CH1l = VhCFF(=dn=G FCH6 * %]MSCJRO7C'CH1l0>V VhCFF ; .'CH1C Vd 7K'13=?C St+ 76lCJ6l. R6VRFF>=VHRR11l0%CJRE6RrVhCHFF 0m6a;/ ; RH'= p *8+MDR VHRE1 REF1CER72m0N6l.#CVhCHFNF 0N'060(RE6l0#O RVRFF-RS2m*$%85M R .SRES2 o RVHRFNFS0Q'1 7O1lCE== 1 RVHRE1/CH6lCH10'O 6l.'C VhCHFF-%0N0F>R1lFN%SVHREFF(=+VHRE FNCER%CR VhCHFNF]0Nm69; T; RH#= p*8+M R VHR1REF1CER72r0D6l.'CJVdCHFF 6lCH10 R6l0N'O RVHREFFU9R 2[*$ 8 MrR .SRES2 Bo R VHRFNF0mQ'1 7O1lCE==] 71R VHR1<FNCER0N'OJ6l.'C VhCHFF-+T m6.'0(=+=?C_Vh6l0N 7X; C2CE=Vh1l0NMSC 6.'CE=GC K'1 Q'1 VhCE=l=GCE=+RS2 6l.'CH0N1/1CHF(RE6l0 S=?.#0QS=d

T ;/C+ 7#Fq VhKS= T; .'CH6.'CH15 71 ' 76 R VHREFFS0(=50JQ'1l O71CE=l=50 R VhCHFF RS2=GK'Q'Q'1CE=l=56l.'C+QS %=G06l0N 7; 06.'0 RVhCHFF-/6l.#CH R[QSR16l060 p 6l.'Cm.#0O7.M; RH 06l R m '06C K' MSCH1J VhCFF(=JRFNF B;+= KS=6 1lCQ'1lCE=GCH6 6l.#C .#0O7.M; RH I9;DZ R7=JR *L ! #(% ! #('p8 #(% ! #CH6a;/ 71i 0N 6l.'C 6lC1l0N' 7FN 7O7D 7dU,/.'CHDVdCHFF>= R1lC ' 2CE= RS2 1 0>= 6.'CK' MSCH1 ' 2C_=hT ;/CK'JM C1 6l.'C VhCHFF>= =?63R1l60'O R6<6.'C 710O0%6l.#CH 6.'C 'CH6a; 71 6l Q F O70>=LR7= =?.' B; J0^]0OK'1lCk0#7545RV!. VhCHFNF.SR=/RE Cp6lC1lSREFSR11l0REFQ'1 VhCE=l=+Vh 1l1lC_=?QS 7S20'OJ6l VHRFNFn 1l0O0SRE6l0N 7S= 0 6l.#C VdCHFF9R 2 RJ2CHQSRE1l6lK#1lCQ'1l VdCE=l=+Vh 711lCE=GQS 7S20N'O6l VHREFF6lC1l0NSR60 7 = 0 6.'C VhCHFF-5,/.'CH1C RE1lC RF>=? ;+= 1l ' 2C " 6 - 71` 33 1 l *B6.'C<.' 1l0NYH 76:REFnF0N'CE=50f^]0NO7K'1CD0'N8 Vh 711lCE=GQ S20N'O 6 .SR 2 o = VHREFF(=50Q#1l 7O1lCE==]; .#CH RVHRE1QSR=l=?C_= RJVhCHFNF MS K'S2'RE1l%

A C+' B; VdKS= 'C<VdCHFF; 0N6l.'0N6l.'0>= *$ ! #&% ! #&'p8 #(% ! 'CH6a;/ 19+^'1l 7HU&;/C' B; 6l.SRE66l.#0(=VhCHFNF]0N6:=?CFR VHRDMSC 1CHO%RE1:2C_2[R7=RI ! #(% ! #(' Z%K'CHK#C% ADC2 R 201CEVh6RESRFN'=G0(=<.'CH1C%J,/.'C1lC_=?K'FN6:=LMSCHF B;pVRMSC+Cp6CHS2C_2 6l 71lC OCH'CH13RFSF VR6l0N 7 =?QSRVhCE=d? B;/C%CH17.'CH1Ck;/C+CpQ'F 06L6.'C-R7Vd6 6l.SRE6 ' VHREFFVR 1lCH@ CH6lCH1+RVdCHFF R 6lC1 06 .SR= FNCH 6'C% O#'=GCHC ,/.'CH 1lCH t uN B hU

A C ' B; 2CVmS'C & *%:85RES2 $ *%:8 6l MSC1lCE=GQ C_Vh6l0[%CHF 6l.'CJ$#fcqEhdi`?a :"(@[@ )g( #"7g `%ih&u%&($#"7g?"%$'egGdihc&($#"7g? &($mh2@[@* %U A C VHRE C3pQ'1CE=l=/6.'CH 0N6lC1l =5 RS2 R7= p & *%:8 *":8 " * :8 * 0#E8

u

Page 22: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

H(x,t)

Q(x,t)

(x,t)

space

time

x

t

^]0OK'1lC t Rp %QSRVhCH@ 6l0 C<20>RO1:R 1 6l.'CQ'1 VhCE=l=GCE= * :8 RS2 * :83

W

Page 23: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

%K'Q'QS =?CJ6l.SRE6<6l.'C .'0O.:; RH 0>= Q R1l6060 7#CE2 06l =?K'M#06lCH1i7REF(=+VHRFNFCE2Dh2@[@ )dAp.'CHDRJVHR1<0>= 0NR VhCHFNFUn0N6:=<VHREFF>=<R1C .SRES2FNCE2 MmRr2CE=G0O7 R6lC_2hE:")E )dg-"7g-&(`%$J, r2CE=Vh1l0NMSC6l.'CJ.SR 2 o = B VHRFNF(= 1l 'CJVhCHFNF]6 R' 6l.'C1 RE66l.'C VhCHFF MS 7K' 2'R1mQ 06 X; 06l.#0m6l.#C6l0 C 0N6CH1REF/* " ' GU; CKS=GC6l.'C K' Vh6l0N 7 :n*k 83nC6< 7'CJ1:R20 MSR=?CJ=G6:R60 [Vh B%CH1+6l.#CJVhCHFF 71.'0NO7.M; RH 1lCHO0 * 'R 2 RE' 76.'CH1Vd %C1 * -P; .'CH1C u 3 3 ' ADC VHRDCpQ'1lCE== * :8 0D6lCH1 = I] 0(=l=G 7r06lCHO1:R60 R= p

D* :8 3 ^ ! ` b#cd e<f hg q b md i = *-k78 D * t uN%8

^]0OK'1lC t uO70%C_= R =GQSR7VhC@B60C20(RO1:RE 1 6.'CQ'1l VdCE=l=GCE= R 2 71 RQS %==?0NM'FC F VHRE6l0 K'SVd6l0 # RS2DRQ =l=G0M'FNC1lCEREF0Y_R6l0N 7r 6l.'C# 7'.' 7OCH'CH KS=I] 70>=l=G 7R1l10RF Q'1l VhC_=l=h ,/.'0>=QSRE1l6l0>VhK'F>R1+1lCEREF0Y_R6l0N 7 .SR= =GC%CHrVHR1 R11l0[7REF(=d ;<= 0^ 0O7K#1lC t N7S6l.'C =? 7FN0(2@ F0N'CQS 71l60 CERV!.6l13R (GCEVh6 71m1lCHQ'1CE=?C63= ; .'CH6l.'C VRFF50>= 0Q'1l O71lC_=l=h ^ 16l.'C =?QSCEVd0RmSCE2 RES2 d* :8 ; .'0NFC D* :8 t 5,/.'C+=lREC Vd 7S20N6l0N 7S=L6l. R65REFF B; KS=L6l 2CHmS'C * :8 RF(=G CHSRM#FC/K = 6 2CHm 'CR #"%$'e%` il"7gG * :8L0N *L 8:

^]0 RFFN%6.'C I] 70>=l=G 7 0N6CHO713RF91lCHQ'1CE=?C63R6l0N 7S=/ B * :85RES2 * !!8 R1C<p * :8 3 ! ` bcd e f ng& ! i = *k8 * t uU%8

R 2 * :8 3 ! ` b md e f ng& ! i = *-k78 D * t 8

v<=?0N'O 6l.'C=lRECmVd 7S20N6l0N 7S= R7=T 71 * :8JRS2 * :8 * 6l.'C=?CEVd 7S2 2CH10R60%CE= +[ R1C'CHC_2CE2 .'C1lC783:;/C =GCHC<6l. R6 6l.#C:"(@[@u.G`%id&u%&($'"7g-&(`%$:.Gi"7g? ed$ )&g-^ * :85R 2 6l.#CJ:"(@@u.-g?didc&($'"7g-&(`%$:.il"7gGe!$ )&gU^ * :850Nm*$ t 8 R1C;/CHFNF2CHm 'CE2n

A C ' B; C3pQ'FN 70N6 6l.#C I9;DZ =?6l1KSVh6K'1lC 6l 2CE2KSVhC 20>=?61l0M#K'6l0N 7SREF Q'1l Q C1l6l0NCE= 71J6l.#C M R7=?0>VQ'1 VhCE=l=GCE= D SRS2 LADC; 0FNFnQ'1 %C6.'C'Cp6/6a;/ J1lCE=GK'F63=/06.'C ; Q'QSCHS20p9MPO4QHFIQS TUjW 7n S a`(@@`K &($(mi!)fe@g()< #`(@e:A

-" J `%i"(@@ i!"(@ 2G ` * :8 u i & ) " \ `%& ):)`%$q,9il`Ehl):) KL&g( * :8U 3 !^ ! . 0 g 3 40 g 2 B *k8 = k D * t X%8

LE J `%i"(@@ $'`%$:. $ %"7g-&(k PG ` * !!8 " ' =' i & ) "\ `%& ):)`%$t,9il`Ehl):) KL&g( * :8U 3_^ $ ! . 0 g 3 :n*k n840 g 2 B *k78 = k D * t W%8

- Z `7g ` * :8 u " ' =' i "%$#e ` * :8 u " ' ' i "%i!gLKL` e%&(c d$ )&(`%$#"(@ \ `%& ):)`%$5,9i`Ehl):)El) KL&g

* :8U 3?^ $ ! . 0 g 3 :n*-k n8 2 B *k8 = k l 3 !^ $ ! . 0 g 3 2 B *k78 = k D * t u 8"%$#e

* :8U 3 ^ $ ! . 0 g 3 :n*-k n8 2 B *k8 = k l 3 !^ $ ! . 0 g 3 2 B *k78 = k D * t 8X

Page 24: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

space

time

(0,s)

(χ(s,Ts),Ts)

(x, τ(s,x))

(χ(s,Ts),Ts)

(χ(s,t),t)

v(s,x)x

t

s

Ts

Ts

call holdingtime

think time

τ(s,x)

+ ++

−−−

^]0OK'1lC t op QSR7VhC@B60C 20(REO713R 71 RVHR1 0N 6l.'0N R 2 VHREFFn 2CE=h

Page 25: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

;<=l=GK'0N'O 6.SR6 VHR13= 2 ' 76+QSR7== C_R7V:. 6l.'C1H;/C VHRE FCH6 6.'C RO7O1lCHOR6C CERET%CHFN Vh06GqmSCHF(2S* :8n0N *$uN 8 MSC+6l.'Ck%CHFN Vh06G~m CHF(2 1 6.'C+VHRE1:=hLADC 6l.#CHJVh 7 =?6l1KSVh656l.#C 6l1:R(GCEVh6l 1lmSCHF(2 #5*-k :8R7= 6l.#C K#'0]Z%K'C=G 7FK#6l0 6 6.'C 20Ro9CH1CH60(REF CZ KSRE6l0N 7

# *k :8 S*#5*-k :8 :8 * t E8

71 k +; .#CH1lC #5*-k k78 u ^'1l 6l.#C6l13R (GCEVh6 71lmSCHF>2n-; C VHRE 2CHmS'C :9*-k n8 RS2 [L* :8; .'CH1C<p:9*-k n8 6l0NCRE6 Q =?0N6l0 T 71 RVHR1 CH6lC1l0#O6l.'C.'0NO7.M; RHRE6 60CLk%[L* :8 .'0NO7.M; RHCH6l13RSVhC60Ck 71+RJVHR1 6 MSC0 QS %=G060 7 RE6 60Cd

^]0NO7K'1C t 0(=<R =?Q R7VhCH@ 6l0NC 20(REO713R 2CHQ#0(Vh60'O R VHR1<0Nm6l.'0NmRES2DVHRFNF] 2CE=h ,/.'CJ=? F0>2@BFN0'CQS 716l0 6l.'C VR1l = 6l13R (GCEVh6 71lm1CHQ'1CE=?CH6:=; .'CH 6l.#C VHRFNF/0>= 0Q'1l O71lC_=l=hTU[6l.'C 2'R7=G.'CE2@ F0N'CQS 716l0 S= M CV 71lC RS2 R 6lCH1'6l.'C VHREFF0(=/# 76 0 Q'1 7O1lCE==h

, .SR%CN[L* !!8 RS2 * :8P; CHFF#2CHmS#CE2n;/C 'CCE2 6l R7==?K' C 6l.SRE6 6a; VR1:=5VHRE'' 6 MSC+06.'C=lREC/Q#F(R7VdC+R656l.'C+=RC 60C5 1H%CIZ%K'0RFNCH6lFH6l.SRE6<:"%il)+:"%$#$'`7gP,#"):)<"%! `7g( Sdi:/*-T CEVh6l0N 7JW;/C; 0FNFS6l1lC_R6 VHR7=GCE=; .#CH1lCVR1:= VHRJQSR=l=/MKS=?0N'O 6.'C<Q'10SVh0NQ'FC B 0S2CHQSCHS2CH65=GK'QSCH1lQS %=G060 7 8

T * :890(=]6.'C K'JMSCH1 VHR13= ; 0N6l.JVHREFF>=]0Q'1 7O1lCE== RE656l0 C ; 06.'06.'C 06lC1RF =?QSRVhC* u 'ULADC VHR CpQ'1lC_=l=/06 0N 6lCH1 =L I] 0(==? 7r06lCHO1:RE6l0 rR7= p

* :8 3 !^ $ ! ` b#cd e !]q b md i = *k78 D * t u%8

; .'CH1CD0(=56l.'C 0S20>VHR6 71 K'SVh60 7 6l.#C=?CH6/0- C%N' * n8 <0n RS2 u 6l.'C1; 0(=GC%W/8:I 70(==? 0N6CHO713R6l0N 7:T; C CEREm=G6l V:.SR7=G6l0(V06lCO71:RE6l0N 7; 06.m1lCE=GQSCEVh6<6 6l.'C# 7'.' 7OCH'CH KS=I] 0(=l=G 7 Q'1 VhCE=l=N ,/.'0(=/0N6CHO713R6l0N 7rVHRE MSC=G0Q#FJ2CHm 'CE2R= R mS#06lC =?K' B%CH1 6l.'C (GK'QS=5 6l.#C I 70(==? Q'1 VhCE=l=N= 71 CERV!.r=RQ'FNC<QSRE6l.S=GCHC6l.'C ; Q'QSCH 20pt 1 71C2CH63R0NF(=h

,/.'CmQ'1 VhCE=l= VHREpREF(=? MSCmVd 7S=G6l1lK Vh6lCE2 M REQ'Q'F0#O I] 70>=l=G 7p06lCO71:RE6l0N 7 6 Rh@`E:"7g-&(`%$,9il`Ehl):) g * !83nR=~;/CJ20(2 0N 7HU+A C 2CHmS#C6l.'C@`E:"7gU&(`%$ )a,#"%h/6l M C6.'CJ=?C6 B/ 1:2C1lCE2 QSRE013=* u 8 RS2p* 8D 71 W 50U C-; .#CH1lC 0(=R ' ''CHOR60%C 1lCEREF/K'JM C1HD,/.'C QSR0N1 * u 8Vh 1l1lC_=?QS 7S2#= 6 6.'CVHRE1 M C0'O R6 QS %=G060 7 7 6.'C.'0O.:; RHRES2 0N6l.'C6.'0 2C% ,/.'CQSR0N1* HE8+Vh 1l1lC_=?QS 7S2#= 6 6l.#CVHRE1<MSCH0'O R6<QS %=G060 7 m0r0 VHRFNF0#O 2C% ADCJVHRr6l.'CmFCH6 g * :8MSC 2CHmS'C_2 M

g *%:8 k *#5*-k :8 u 8 13 k 40 g *#5*-k :8 H8 0 g 3 k 0 g 0 g 3 k * t t 8

; .'CH1C RS2 R1lC 6.'C,8Q'1lC@URE1l1l0[RF :RES2 8:Vh Q'FNCH6l0N 7'@ 2C :+=?63R6CE=LR7=52CVmS'CE20r h-L,/.'0>=O70[%CE= K = REmRFN6lCH1SR6C Vh 7S=G6l1KSVh6l0N 7 #* :8 R7=

* :8 3 !^ $ ! d ! 7 = *k78 D * t 08

ADC # ; R7=l=GK'C50 R2'2060 6.SR6 [0(=n6a; 0(VhC Vh 76l0NK' KS=?FN20nonC1lCH6l0>RM'FNC%'B0(=n SVhC 20nonC1lCH6l0>RM'FNC%R 2 71+REF =?6 RFF4kJ* ; 0N6l. 1lCE=GQSCEVh6/6 6.'CCER=?K'1CB5*-k78 = k783 6.'C20>=?6l10M'K#6l0 S=/ M 6l.X0 g RS20 g .SR%C 2CHS=?0N6l0NCE=h Ap06l. 6.'CE=?C R=l=?K#Q'6l0N 7S=d'6l.'C VhCFF92CHS=G06G 0D*$u 8 0(=; CHFF 2CHmS#CE2n

U

Page 26: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

; Q'Q#F0'O 6l.'C 7QSCH13R6 71 ! 6 6l.'C Vh S=?CH1iR6l0N 7r1lCHF>R6l0N 7M;/CO7C6 6.'C 20Ro9CH1CH60(REF CZ KSRE6l0N 7 * !!8>l

* :8 * !!8 " * :8 D *$08

;<==?K'0N'O6l. R6+6l.'C VHRFNF0#OJ2CHS=G06G * :850(= 'C%CH1 YHC1l K''FNCE=l= 6l.#CVHREFF.SRES2 o 1:R6C * :850>=RF>=? #'FCH6

* :8 * :8 * :8 *$uN%8

; .'CH6l.'CJ1:RE6l0 0>= ;/CFF52CVmS'CE2DRS2=?CH6S* :8 CIZ%KSRF56 YHCH1 76l.#CH1; 0>=?C%JA C VRDO70%C S* :86l.#C Q#.#=?0>VHRF0N6CH1lQ'1CH6:RE6l0N 7 56.'C "%i: %"7g? c "%$ kE2@`EH&g-^ 71+6l.'C RVh6l0[%C VRFF>=hLADC .SR%C' B;Vh1CER6CE2M 2CHmS#06l0N 7 6l.#C 1CHF(RE6l0N 7

* !!8 * :8 * :8 D *$uU%8

,/.'0>= QSRE1:REFFCF(=6l.'C+ K'S2#RCH6:REFVh 7 =?CH1i7RE6l0N 7CIZ%KSR60 S= BS.'0NO7.M; RH6l1:RY V7=GCHC5Q+%0< B ? RMSCH1l@ RE[ 07-5,/.'C20no9CH1lCH VhC<.'CH1C0(=/6l. R6;/C R1C 6:REF0'OJREMS 7K'6VRFF>= 0NS=?6CER72 VHRE1:=d %K#MS=?606lK#6l0#O6l.#0(=/06l 6.'C Vh 7 =?CH1i7RE6l0N 7m20Ro9CH1lC60(RF9CIZ%KSR60 7rREM B%C%; C<O7C6

* :8 l

S* :8 * :8 * :8 " * !!8 D *$ 8

,/.'CJ1lCE=GK'F60'O 20Ro9CH1lC60(RF CIZ K R6l0N 7 *L 8+0(=R 7'CH@-20NCHS=G0 7 RF+%CH13=?0N 7m 6l.'COCH'CH13RFN0YHCE2Vh S=?CH1iR6l0N 7 F(R; 71 SK'0(2[ 6l0N 7 =?CHCrQ t t Up,/.#0(= CIZ%KSRE6l0 O7 B%CH1l =6.'CCEREmMSCH.SR0N 71 "%$'^=?6 V!.SR=?60(V.'0O.:; R_m61:RY V 2CHFUJ,/.'C =?63RS2'RE1:2[Vd 76l0K'0N6? CIZ%KSRE6l0 71 V:.SR1O7CE=/0N =GCH0>Vh 7S2KSVh6l 1 =G6:R60(=G6l0(V=/0(= RJVh 7SVd1lCH6CRQ'Q#F0(VR6l0N 7 6l.'0>=/F(R;'=GCHCQN B %YHC X-/TU 6.'C =?QSCEVh0>RF VHR7=GC0X; .#0(V:. * :8 * !!83CIZ%KSRE6l0 [*L 8/1CE2KSVdCE=/6l J6l.'C =?63RS2'RE1:2 R=l= Vh S=?CH1iR6l0N 7 CIZ%KSR60 0 SK#0(2 2SR0>VH=h=GCHCQ t E % 7DE-

IT N N7CB P N CRP Q ! G > I B,/.'C Vh 7 =?CH1i7RE6l0N 7CIZ%KSRE6l0 S=LO70[%CHJRMS B%C .# 7F(2 71 REJ=G6l V:.SR7=G6l0(V .'0NO7.M; RH 2CHF- ,/.'CE=?C+CIZ%KSR@6l0N 7S= O B%CH1l[6.'CC_RDM C.SR0N 71 71 D 5R 2 LM'K#6J2 m' 76 O70[%C R 0NS=?0NO7.6 0N6 6l.#CH01 20(=G6l10M'K'60 S= 1 MSCH. R0 1<R=<=?6 V!. R7=?60(V Q'1 VhCE==?CE= 0S2CpC_2 MMS 76l.=?Q R7VhC RS2 60C%rW/=?QSCEVd0(RFN0YH0N'O 6 6.'C In;DZ%CH13=?0 6l.'C.'0NO7.M; RH 2CFU;/C VHRE . RS2FNCM 6l.m0>=l=?K#CE=h

^' 71 =?0 Q'F0>Vh06GH;/C R=l=?K#C/6.SR6 CER7V:. VHR1 O7 %C_=]6l.'1 7K'O.6l.'1CHC =GKSVHVhC_=l=?0[%CLQ'.SR=?CE= p]6.'0 2C%VHREFF0N'O 2C'R 2 Vh Q'FC6l0 2C4 0[%CH 6l.SRE6+R VR1 R1l10%CE=/6 6.'C.'0O.:; RH R6+6l0NCk%'6.'CVHRE1 * 71<0N6:=+21l0[%CH1h850>= 0N[g( #&($eQrc`Ee/K'6l0NF =? C1:R 2 7 :"(@@5`%id&u%&($'"7g-&(`%$ g-&(c 10 g ; .'CmRVHREFF0(= Q#F(R7VdCE2n ;] 6lCH16.'CmVRFF 0(=Q'F(RVhCE2n56l.#C VRFF 0>=0N Q'1l O71lC_=l=RES2 6.'CrVHR1J0(=0 VHREFF0N'Om 2CK'6l0NF=? C<13RS2 :"(@@gGdidc&($'"7g-&(`%$ gU&(c 60 g 5;] 6CH110 g '6.'CVHREFFn0>=mS'0>=?.'CE2 RES26l.'C VHRE1 0(= 0NVh Q'FC6l0 2C%j+MS=?CH1i0N'O 6.SR6r;/CD; 0NFF9RF[; RH#= .SR%CLk,340 g 350 g :;/C`; 0FFS1CH CH156l 0 g " kR7=/6.'CJg #&($QJgU&(c R 2 0 g " 0 g R=/6l.'C :"(@[@n #`(@e%&($(g-&(c :/TU CEVh6l0N 7 WJR 2 0NfnCHK'#O'9ZmR7=l=GCH%R 2 Ap.#06l6 W;/C 20(=VhKS==/Cp6CHS=G0 7 = 6l 6.'C.'0O.:; RHI9;DZ 0NT; .'0>V!. VR1:= VR R%C+JK'F60Q'FNCVHREFF(=d

N

Page 27: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

6l.#C<VHR=?C< B m6pCE2VhCHFNF'MS 7K' 2'R10CE=; 0N6l. 2 R0>V VhCHFF#M K'S2'RE1l0NCE=<* ; .'0>V!. R1C~ K'SVd6l0 S= B 6l0NC78:?<R0'O 2SR0>VVhCHFFMS K'S2'RE1l0C_= 0(=<RESRFN 7O 7KS=<6l .SR0N'O 2SR 0(V * 6l0 CH@B B @U2#R_S851l K'6l0N'O0NDR=?63RS2#R1:2q% 70>VhC/#CH6a;/ 71in ^'C;/CH1 VhCHFNF(= R1C 1lCIZ%K'01CE2 ; 0N6l. 2 R0>V/VhCHFNF%MS 7K'S2#R1l0NCE=h5,/.#C .'0NO7.M; RHIn;`Z .'C1lCQ'1l B0(2C_=/Rq; RH6l +Z%KSR6l0n 6.'C 20Ro9CH1CHSVhC%

TU CEVh6l0N 7m;/C0NS20(VR6lC .' B; ;/C VHRE 2CE=lVh10MSC6l.'CQ'1 7QS 716l0N 7 B5M'FN V%CE2J 71l0NO70NSR60'O VHRFNF(=0DR VhCFF RS2m6l.'CQ#1l 7QS 1l6l0N 7D M'F V2%CE2 . RS2 Bo = 1l 7'CJVdCHFF 6l rR# 76l.#CH1Hq?+CH1lC;/CCpQ'F 066l.#C Z"j`DRQ'Q#1l Bp0N R60 S= 20(=VhKS==?CE20m%C_Vh6l0N 7 N

TU%CEVh60 7JXD; C<RESRFNYHC+R=GQ C_Vh0(REFSVHR7=GC R .#0O7.M; RH In;DZ 0q; .'0>V!.JREFFSVHRE1:=L.SR%C+Vh S=?63R6%CHFN Vh06G%^' 71<6.'0(=+=?QSCEVd0(RF VHR7=GC%P;/C VHRmC_R7=?0NF CpQ'1lC_=l= 6l.'CJVHREFF 2CHS=G06G * !!850Nm6lCH1 =/ 6.'CCp6lCH1SRF R11l0[7REFL1:RE6lC K' Vh6l0N 7 B RES2m 76l.#CH1< 2CF CERE6lK'1CE=h<ADCJVh S=?0>2CH1R=G0Q#FCK#CH1l0>VHRFCp#RQ#FC+6l J0M%CE=?60O%RE6lC+6l.'C0N SK'CH VhC 6l.'C 20>=?6l10M'K#6l0 S=/MSCH% 7 2 6l.#CH01 CER =h

^]0 RFFN%%0 CEVh6l0N 7 W; C=?.# ; .' B;p6l C3pQ'FN 70N6 0NS2CHQSCH 2CH6 =?K#Q C1lQS %=G06l0N 7 0 71:2CH1 6l M'K#0F(2 1lCJCHF(REM 1:RE6lC 2CHF>=hr,/.'CH1CT;/C =G.' B; 6l.SRE66l.'C 69; K' 2'RC63RF Vh 7 =?CH1i7RE6l0N 7 CIZ%KSR60 7 ==?60FNFn.' F(2T; 06.mRQ#Q'1l Q'1l0>R6lC 2CVmS'060 S=h

/Q IT" Q9N7CRI Q9N7CRI W/CH 1lC+; C/=GQSCEVh0(REF0NYHC]6 6l.'Cr? 0NO7.M; RH In;DZ 2CHF-H; C; 0NFF2CE=Vh1l0NMSC 6.'C5Vh S=?C1R60 7 CIZ%KSR60 7 =6l. R65.' 7F>2 1LO7C'CH1:REFS=?#=?6CH =d+^' 71LC3%CH1l =?Q R7VhC+6l0NC5QSR0N1 * :8:&;/C+VHRER=l=? Vd0(R6C 6.'C 7FNF B; 0#O 7K#1 13RS2 R10(RM#FCE= p

* !!8 K# MSCH1 R7Vh60%CVHREFF>=/0 6l.'C0N6CH1RF * u ' R6 6l0NC * !!8 K# MSCH1 VHRFNF(=/0 Q'1 7O1lCE== B0'O QSR7=G6 QS =?060 MSCH 1lC6l0NC * !!8 K# MSCH1 VHRFNF0'0N6l0(RE6l0N 7S=50 06lCH1iRFL* u 'MSCH 1lC 60C * !!8 K# MSCH1 VHRFNF6lCH10SRE6l0N 7S=50 06lCH1iRFL* u '9M CV 71lC 6l0NC d

ADCmRF>=? VHREFF * :8 6l.'CrK# MSCH1 BVRFF #"%$'e%` ) R6 M CV 71lC d MSCEVHREKS=?Cr0p RE[ 7M'0NFCVh K#'0(VdR60 7 =?#=?6CH =<0R R MS 7K' 2'R1[ R VhCHFNF+;/C1lC R6 6l.'CHD6l.#CVHREFF50DQ'1 7O71CE=l=; 7K'F>2.SR%C<6 M C.SRES2CE2 Bo 1l 7 R MSR7=GC =G6:RE6l0 0N 7'C VhCFFS6l JRMSR7=GC =?6:RE6l0N 7 0 6l.#C<'Cp6+VhCHFNFc; .#CH6l.#C 7M'0NFC+QSR7==?CE= 6l.'C VhCFFnMS K'S2'RE1l%

;<=l=GK'0N'O6l.SRE6<REFF61:RY V< B%CE= 'Fs 1l 7 FNCH 6/6 10O7.6 2 B; 6l.#C QS =?060%C1lC_RFF0N'C%6l.'CE=GC 7K#1 13RS2 R10(RM#FCE=+=lRE6l0(=$ 6l.#C FFN ; 0N'OJVh S=?CH1iR6l0N 7r1lCHF>R6l0N 7p

* :8 * :8 l * !!8l * :8 D *$E8

B; R7=l=GK'C<6.SR6 6.'CH0N1/CpQSCEVh6:RE6l0N 7S= R1lCDmS#06lC RS2r20Ro9CH1CH60(REM'FC+0MS 6l. rRS2dnCH6 * :8R 2 * :8LMSC 1lCE=GQ C_Vh6l0[%CHF6.'C "%hgU&(kE :"(@@ ed$ )&g-^ RES26l.'C :"(@@ #"%$'e%` i"7g?3S2CHmS'C_2 M

* :8 $* !!8- RES2 * :8

* :8U D *$u%8

%0N0F>R1lFN%EFCH6 * :85RES2 * :8 M C1CE=?QSCEVh60%CHFN 6.'CJ:"(@@ &($#&gU&("7g-&(`%$ i"7g?2. ed$ )&g-^<RS26l.#CJ:"(@@gGdihc&($#"7gU&(`%$mi"7g?2. ed$ )&g-^S2CHm 'CE2M

* !!8 * :8U RES2 * !!8

* :8U D *$ t 8

0

Page 28: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

TU R OCH'CH13RFI9;DZ[6.'C< B%CHJCH%6L B CER7V:. VhK =?6l CH15R 6lCH1 R11l0REFVHRE MSCV:.SRE1:R7Vd6lCH10YHCE2 0N6lC1l =n B9R<=?6 V!. R7=?60(V/Q'1 VhCE==h+?+CH1lC%R7= R K'16l.'C1L=G0Q'FN0Rm9VR6l0N 7; C R=l=?K#C56l.SRE6L6l.'C B%CHCd6 CER7V:. VHRE1 R 6lCH1 R1l10RF0>= 2CE=lVh10MSCE2 MpR 2CH6CH1l 0'0>=?6l0>V5 K'SVd6l0 #5*-k :8; .'0(V:.pO70[%CE= 6.'CQS %=G06l0N 7 R6 6l0NCn BSR VR1CH6lCH10'O 6l.'C5.'0NO7.M; RH R66l0NC k , +=?QSCEVh0n <6l.#C52CH6CH1l0N'0(=G6l0>VnF VHRE6l0 K'SVd6l0 # *k !!83:; C VRm21:R; X%CH.#0(VhK'F>R1 6l1:RY V<6.'CH 71% ;<=/04 RYH0>= t RS2 ?<RMSCH1 R>0U;/CJVd 7S=G6l1lK Vh66l.'C K' Vh6l0N 7 # MmRT%CHFN Vh06GTmSCHF>2 * :8:6; .'0(V:.mO70[%CE= 6l.#Cq%CHF Vh0N6G R6QS %=G06l0N 7 mR6 6l0 C d j+K'1 R RF#=?0>= 6l.'C .'0O.:; R_rI9;DZ 6l.KS= M'1l0N'O%=+6l 7OCH6l.#CH1 6CHFC6l1:RY V<6.'CH 71rRS2%CH.'0>VhK'F>R1<61:RY V6l.'CH 1l%fj+6l.'CH11CEVhCH6<CHo9 716:=6l r2 6.'0(=RE1lCJ6l.'CJQSRQSCH13= M Z CH0C1l@L? CHFF>=?6CH1l; FN 7S=G R 2jlu CH0NFF 3U#Z 76lCH#CHO71 ''%CH'O (K:< RE ROKSV!.#0SRS2 ; MSCJ V07URES2 %CE=aR1H#ZmR10(V7? F6lY R RES2A[R=l=GCH1l RE U7-]ADC R6l0(Vd0QSRE6lC K V!.J 71C< 6l.#0(=/0 6.'CD K'6lK'1C%

4+%CH 6l.' K'O7.; C 201lC_Vh6lFNDVh 7S=G0(2C1 'F[ 'CH@ ; RH 6l13RY V u H'p8 1l0O0SRE6l0N'O[RE6 u / 7K#1R RF#=?0>= REQ'Q'FN0CE= 6l J K V!.J 71CO7CH'C1:RF 2CF(=hMf016lK'C< B =?K'QSCH1Q =?0N6l0 +, J0 VhFKS2C 6l.'C1VHRE1:= m6l.'C .'0O.:; R_ O 70#O6l.'C =lREC 201CEVh6l0N 7 ; 06l. 20Ro9CH1CH6<=G6:R16l0N'OQS 70N63=h9RS2 6l.'CH1 VHR13=O7 0'O 0Np6l.'Cm Q'QS %=?0N6lC201CEVh60 7 ]; CDVHR =G0Q#F =?K'QSCH10QS =?C 0NS2CHQSCH 2CH6T%CH1:=G0 S= 6.'C.'0NO7.M; RHmI9;DZ 2CHF Vh 7 =?0(2CH1lCE2 .#CH1lC%Z 1lCH B%CH1nO7C'CH1:REFL B%CHJCH%6 0AWRS2 W VHRDMSC6l1CER6CE2 R7=+=?K'QSCH1QS %=?0N6l0N 7S= 0S2CHQSCHS2CH6 7#CH@ ; RH6l13RY V REF 'OQSR6.S= 0 6l.'C_=?C =?QSRVhCE=d? CHSVhC6l.#C 'CH@ ; RH.'0NO7.M; RH0>=/' 76+ 7'FN RSR6K'1:REF 2CHF9 50N6CH1lCE=G6/0N 0N6:=/ B; 10O.6M'K'6+06 0(=+R%CHM'K'0NF(20N'O+M'F V2 1L 71C Vh Q'FN0(VHRE6lCE2 2CHF(=dA C+20>=lVhK =l=L=GKSV!.C3p6CHS=?0N 7S=P K'16l.'CH1 0%CEVd6l0 W

TU6 0>= 0NQS 71l63R6L6l %CHCHQJ0J0 2n76l.# 7K'O.'6l.SRE6/0NREFFS6l.'C_=?C In;DZ 2CHF(=+;/C R1C<R=l=GK'0#O6l. R6 6.'CH1CDR1lC $'`p&($gGdi"%hgU&(`%$%) M C69; CHCH 20no9CH1lCH6 VHRE1:=d ,/.'CDF VHRE6l0N 7S= JREFF6l.#C[VHRE1:= R1CJK'6lKSREFFN0S2CHQSCHS2CH6H9Vh S2060 SRFL 6.'CH0N1R11l0REFL6l0NCE=h` 7#C 6l.'0>= Q'1CEVhFK 2CE=h9.' B;/C%CH16l.#C<VHRE1:=LMSCH0#O 0 SK'CHSVdCE2 M 6l.'C01 Vh 7 7 =?QSRVhCH@ 6l0 C/CHM0N1l 'CH6H ^' 1 C3p'REQ'FC; C+VHR'# 76e%&(i!dg @^ 2CHF RJVHR1 2CEVh0>20#O6l =?F B; 2 ; rMSR7=GCE2 m6l.'C RVh6l0N 7S= R# 76l.#CH1<VR1H'M#K'6~; CVHRE 2CF%6l.'0>=]MSCH.SR0N 71+&($#e%&(i!hg @^LM .SR0N'O<REFFSVR1:= =?F B; 2 ; J0 R<=?QSCEVd0Rm9V51lCHO0 7 B96l.'C .'0NO7.M; RHR6 RJ=?QSCEVh0nm9V 60C%5TUrR=GCIZ K#CHFn6 6l.'0>=/QSRQSCH1 nCHK'#O'9ZmR7=l=GCH%SRES2 Ap.'066 WEU;/C =?.' B; 6.SR6 RR10(R6 6l.#C<.'0O.:; RHI9;DZ 06l1 2KSVhCE2.'C1lCVHRE0 2CHCE2 0NS20N1lCEVh6FJVHREQ'6lK#1lC<6.'CCHo9CEVh6/ B5RER7VVh0(2C6

? CH1C<0(=/.' B; 6l.'0>=/QSRQSCH1 0>=/ 71O%R#0YHCE295T m%C_Vh6l0N 7f;/CVh S=?61lKSVd6 6l.'CMSR=?0(V<.'0NO7.M; RHJ 2CHFR 2 0(2CH60R 6.'CD 7K'1 K' 2'RC63RF=G6l V:.SR7=G6l0>V Q#1l VhCE==?CE=+R7==? Vh0>R6CE2; 0N6l. 065,/.'CH RE1lC* !!836l.#C K'JM C1L :"(@[@ ) &($5,9i`2%i!l):) 01CHO70N 7r* u 9MSCH 71C 60C * !!83%6l.'C+K# MSCH1L B5 #"%$'e%` )R6 QS %=?0N6l0N 7 m*B6l.#C<K# MSCH1L B VHRFNF(=50JQ'1l O71lC_=l= QSR7==?0#O 8 MSCH 1lC<60C * !!83%6l.'C<K'JMSCH1 :"(@[@L`%id&u%&($'"7g-&(`%$ )+0r1lCHO0 7* u ']MSCH 1lC 60C 9R 2 * :8:S6l.'C K'JMSCH1/ B :"(@@ g?didc&($'"(.g-&(`%$ )/0N1lCO70 m* u 'nMSCH 1lC<60C d5,/.'CH0N15CER =/R1CV:.SR13R7Vh6CH1l0NYHCE2M R VHREFF 2CHS=G06G * !!83R.SRES2 o1:RE6lC * :8:#RVHRFNF@ 710O70NSR60 '@B13R6C 2CHS=?0N6G * :8:#RS2 RJVHRFNF@ 6lCH10 R6l0N 7'@ 1:RE6lC 2CH'@=?0N6G * !!83:; .'0>V!. R1lC RFF1CHF(RE6lCE2JMJ6a;/ K#S2'R CH63RF Vh 7S=GCH1RE6l0 CIZ K R6l0N 7S=d'=GCHC*$uU%8 RS2*$ 8:

TU CEVh6l0N 7S= t RES2 0;/Cr2C%CF 7Q6l.'C I9;DZ %CH1:=G0 7 6l.'C .'0NO7.M; RH 2CHFUD;<= 0N 7dU6l.#CE=?Cq 7K'1Q#1l VhCE==?CE= R1C I] 70>=l=G 7 ; .'C 0NC;/C_2 Q'1 7QSCH1F>5=?CHC ,/.'CH 1lCH t N7r,/.'0(= R72'20N6l0N 7SREF=?6 V!. R7=?60(V =?6l1KSVh6K'1lC RFNF B;+= KS= 6 RESRFNYC 6.'C06lCH13R7Vh60 S=/ VdCHFF>=/R 2 6l.#CROO71CHO%RE6lCS B;+= VHREFF(=/0NrRS2 7K#6 B VhCHFNF(=h

TU[%CEVh60 7 NT;/C 1C0C; .# ; 0:m '06CH@UVRQSRVh06G 2CHF(=+VHRmMSCKS=GCE2 6l rREQ'Q'1l Bp0 RE6lCDmS'0N6lCH@VHREQSR7Vh0N6G 2CF(=h TUmQSR16l0>VhK'F(RE1H ;/C1C0C; 6.'CJ 20Rm CE2@ o9CH1lC_2@BFN %R2mRQ'Q'1 Bp0N R60 7 *-Z"j`]8 71 6l.#C # 7S=G6:R60 SR14L1lF>R'O+F =l= 2CHF-h0U C%H6.'Cr ! #(%# # u 2CHFUV; .'0(V:..SR7= =?CH1i%CH1:=9RS2 # Cp6l13R ; R0N6l0#O 1 % 7m TU %C_Vh6l0N 7sU ; C+2CE=Vh1l0NM C+.' B; 6.'C+.'0O.:; R_ In;DZ .'CH1C<VHRE MSC RQ'Q#F0C_26 20[0>2C 6.'C+.'0O.:; R_0N6 VhCFF(=5=G 6l. R6/C_R7V:. VhCHFNFSVHR (GKS=?6 .SRS2FC<0N6:= Bo9CH1lCE2J6l1:RY V]ADCVh 76l13R7=G6

t

Page 29: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

< M+ON /I B N7CRITTUJR<Q'1lC0 KS=LQSRQSCH1 7h-;/C 06l1 2KSVhC_2R \ `%& ):)`%$:. "%ihid&(kH"(@u.$@ `:"7g-&(`%$ c`Ee2@%*UI9;DZ 8:70Nt; .#0(V:.JR' '.' 7 7O7C'CH 7K =/I] 0(=l=G 7Q#1l VhCE==LO7CH'C1:R6CE=/RE1l10RF>= 6.SR65 B%C 0S2CQ CS2CH6lFN 6l.#1l 7K#O7. RO7CH'@CH13RFSF VHRE6l0N 7 =G6:R6C=?Q R7VhC R7VHVd 71:20'O 6l =G 7C+F VR6l0N 7 =G6l V:.SR7=G6l0>V Q'1 VhCE==h ; I9;DZsOCH'CH13RF0NYHCE=6l.#C<' 760 R mS#06lC 'CH6a;/ 1 0MmS'06CH@-=?CH1i%CH1Z%K'CHK'CE=; 06.' 7#.' 7 O7CH#CH 7KS= I] 70>=l=G 7rR11l0REFQ'1 VhCE=l=GCE=h+%KSV:. R'CH6a; 71 0(= RJIn;DZ ; 0N6l.rRF VHRE6l0 m=GQSR7VhC 6l.SRE6 0>= RmS'0N6lC =?C6H T T-RVh6H'6.'C "!$#&% #&' Z%K'CHK'C0(= RJIn;`Z ; 0N6l.rR F VHRE6l0N 7m=GQSR7VdC Vd 76:R0N'0#OJR =G0'OFCQS 706H

j+K'1 760R60 7h 1rVh1lCERE6l0N'O 6l.'CIn;DZ ; R= 6 2C%CHFN 7Q Z%K'CHK'CH0N'O 2CHF>=5 71f; 0N1lCHFNCE=l=Vh K#'0(VdR60 7 =?#=?6CH =+*U=?CCnCC X 8:5,/.'C%CHq CER6K'1lC_= R I9;DZ CSRM'FNCE=/KS= 6l 2CHFRE1lC<p

S=?63R60 7 R1l MSCH.SR0 1

'@-ZmR1% B0(RE MSCH. R0 1

%C10(VhC2CHQSCHS2CH VhC< 7 =?QSRVhC RS2 6l0NC%,/.'C In;DZ 0(=5RM#FC+6l VHRQ#6lK'1C 6.'CE=?C+0 Q 1l63R6- CER6K'1lC_= MSCEVRKS=GC 0N652 %CE=5' 76 1lCHQ'1CE=?C6L0N6CH1:RVh@6l0N 7S= MSCH6a;/CHC VhKS=G6l 7 CH1:=dj K#1 0>2CER 0(= 6l. R6+6l.'C In;`Z =G.' 7K'F>2 MSCREM'FC6 =GCH1%C R7=+RQ'1:RVh6l0>VHRF 2CFc 71 7M'0NFC+Q'.' 7#CE=h (GKS=?6+R= 6.'C0:m '06CH@U=GCH1%C1 ! #(%#(' Z%K'CHK#C VRr=?CH1i%CR7=+RQ'1:RVh6l0>VHRF 2CF- 716lCFCHQ'.# 7'CJ6l1K' O1l K'QS=h ,/.#0(= 0>2CER5 1 6CHFCHQ#.' 7'C61lK'_mO71l K'QS=; R7= R72:RESVhCE2 MILREF N-:; .'0>V!. QSRE1l6FCpQ'F>R0 = 6l.#C RCD 71 K'1+ 2CHF-

; F6.' 7K#O7.J6l.'C+I9;DZs0NO7' 1lCE=L06lC1:R7Vd6l0 S=]MSCH6a;/CCHVhK =?6l CH13=h70N652 %CE= VHRQ'6K'1lC R B6.'C=?Q R7VhCH@ 6l0NC2SRE0(V= ; 01lCFCE==<Vh 7 K'#0(VHRE6l0 r=?#=?6lC =hq^' 1R =?63R6l0N 7SRE1lD6lCHFNCHQ'.' 'C%n 'F6l.#C 60C RVHRFNF'0(=L0NQ'1l O71lC_=l= 0>=L0QS 716:RE6%=? 6l. R6 =?CH1i0>VhC+VHRE MSC+1lCHQ'1CE=?C6CE2 M6l.'C FNCH'O6l.J R<6lCHFNCHQ'.' 'C+Vh :%CH13=lRE6l0 +^' 1L 7M#0FC Q'.' 'CE=h%MS 76. 6.'C+F VHRE6l0 RES26l0 C B RVHREFF'0NQ'1l O71lC_=l=R1C 0NQS 71l63R6HS=G 6l.SRE6=?C10(VhC=G.' 7K#F(2 MSC 1CHQ'1lC_=?CH6lCE2MrRQSRE6l.m6.'1l K'O7.DR FN VHR60 m=?Q R7VhC R7=R K'SVh60 7 BL60C%

^' 71< B0'OJREK'6l 7M#0FC_=hS6l.'C 69; 7@-20 CHS=?0N 7SREF =?QSRVhC W 0(=<RJSR6K'1:REFLF VHRE6l0N 7D=?Q R7VhC%^' 1QSCH1:=G 7SREFVd 7JK''0>VhRE6l0 =G'=G6lCH = R7==? Vh0>R6CE2 ; 0N6l. QSCH 7Q'FNC 71R01Q'F(RE'CE=d 6l.'1CHCH@-20 CHS=?0N 7SREF=?Q R7VhCXW 0(=R SRE6lK'13RF+F VHRE6l0 =?QSRVhC% Ap.#CH 6l.'CE=GC =?Q R7VhCE=JR1CQSRE1l6l0N6l0N 7'CE2[0N6 DRmS'06C =?C6 VhCFF(=d'6l.'C1CE=?K#F6l0N'O In;DZ Vd 71l1CE=?QS S2'=<6l R =?6:RES2'RE1:2XmS'06CH@ ' 2C%n0N:mS'0N6lCH@-=?C1%CH1 'C69; 71in,/.'0>= In;DZ VHRr6l.'C 2CHFn6.'CK# MSCH15 Q'.' 7#CVh :%CH13=lRE6l0 S=/0 CER7V:.rVhCHFF-

TUm6l.'0>= QSREQSCH1H 7K#1<MSR7=G0(V 2CHF-; 0NFFMSC 71 6l1:RY V DR 7#CH@ ; RH%=?0N'O7FNCH@ F(R#C%=?C0@ 0:m '06C.'0NO7.M; RH% ,/.KS= ; C VHRFCH6 7K#1 F VR6l0N 7 =GQSR7VdCMSC6l r6l.'CJ06lCH1iRF u H'p85R Q 06 1CHQ'1lC_=?CH6:=6l.#C 20(=G6:RESVhC RF 'Om6l.#C.'0O.:; RHX 1l 7 6l.#C 710O70Nm,/.'C M K'S2'RE1l[QS 06 u ; 0NFF5MSC VHREFFC_2 6.'C)a,#"7gU&("(@ `%id&u%&($R06; 0FNF] RE1 6l.#CCH61:RESVhCQS 70N6<6 6l.#C.'0O.:; R_ ; ' 7'.# 7 O7CH'C 7KS=I] 0(=l=G 7R11l0[7REFSQ'1l VhC_=l= ` *%:8 " ' =' i Vh K'6:=L6l.'C+K' MSCH1 VHRE1:= 6.SR6 CH6lCH1L6.'C+.'0O.:; R_LTUQSRE1l6l0>VhK'F>R1H> * !8 Vh K'63= 6l.#C K' MSCH1 B R1l10RF>= K'Qm6 6l0NC dc; .#0(V:.X;/CJR=l=GK'C 0>= m '06C; 06.Q'1 7MSREM'0FN06G 7'C5,/.'0(=5' 7'.# 7 O7CH'C 7KS= I] 0(==? 7 Q'1 VhCE== 0>=/V:.SR13R7Vh6CH1l0NYHCE2M0N6:=/RE1l10RF91:R6C K'SVd6l0 B J, .SR%C *%:8mS'06Cq; 06.mQ'1l MSRM'0NF0N6?r 7'C ; CJR7==?K'C6.SR6 @ ! B5*-k78 = k ' 1RFNFd

TU6 0(= =?0NO7'0nm9VHRE6+6l.SRE6 Rq 71lJK'F>R7=/.'CH1C*BC O'N: 71 C_RS=:8 2 m$#`7g]2CHQSCHS2 7r6l.'C I] 0(=l=G 7R7==?K' Q'6l0N 7+6l.'CH .' 7F>2 0Rr 0>= RE RE1lM'0N6l13R1l QS 706Q'1 VhCE== * ; 0N6l.' K'6JK'F60Q'FNCQS 706:=:8q; 06.6l0NCH@-2CHQSCHS2CH6JRE1l10RFN@B13R6lC K'SVd6l0 B ,/.'CDI] 70>=l=G 7 R7=l=GK'Q'60 h 71 0(= 0NQS 716:R6t 120>=?6l10M'K#6l0 rVh 7SVdFKS=G0 7 =<*BC% O'6l.'C I] 0(==? 7rQ'1l QSCH1l6G RES2 =G6l V:.SR7=G6l0(V<0NS2CHQSCHS2CHSVhC783

Page 30: 0(=d o' %ZmR =l=?C % %A - columbia.eduww2040/palmII.pdf · /c.sr %c 6 .sr6 jks=g6 msc 0 s2 cq c s2 ch 6 b * 8 =g0 svdc m ,/.'ch 71 ch t u 56l.#c f>r6 6lch1 0>= r =?k# r 2 b * 83 ,/.'c

!" #$&% ' (!)% *

&! + & &, -.% % /!01)2&.! (3%

4576767598;: <=>?8A@B@BCEDF8;G HI4J8;K&HL4M5ONPN<RQ.SQ T CU676WV8;XZY;K&8;N&Y;KP59C[@

>]\K^KB8[D`_a5O676cbdegfihkjihklnmofApAqAp<arK^576RsnhobWs[jAjAl

tRu;vxwcyzE|w~.1PE7ER^xOP*cx&9aBx^^Ec^x^¡ c¢^£¤¦¥§¨¢^©¡^ ª c«^¬£

­O®U¯°n±.² Z7EB,^³3³B´x7µZ³3P¶B·cP1Bµ^B¸c^¹Pµ^µºP´7»7¶7^Rkx¼´Pµ^c½E EEB¾k½^Z¿ÀE7^Á29³*1Ea7E^^Â,æ ®U¯°§± ¹ÄÁ7Å´½µ^xÆxcǶ&.RP^³3^µ^xxPE ® ´7P.c³3^ÈEBxUxEBx&9»^µ^ɵ^xx7»¿7EPÊ^x^PµËÉÌx9P7»E^77´,cxÂÃÍ9¹PWÁÎÏ&³1Á7^§¹Ð¸µ^^1xÁE^»O.^E9Bx¹§»x¸1xËE73B´½³3Bo)Bc9¶UR3Ux7ÀP³1Eo¸2»c»WP³3³BÑxÁ7^77x³1ÒÂ3Ó½¶E^Ô´³3Box½´ ^Õ¿½^,^xƸԵxÆ¡´17x³Æ¡BÖEB3Bµ^B¸c^¹×¸)³3^x³*x&º9Ec»¼ÖEc ¶B¿,Bxx³B´77´ØÌxÁ7^ÀE9P§ÂÙ×^½Bµ^&¸ ®U¯°n± ^EÔ´Bxc x»^¹EÚ^x)ÛPEB77c½Wx¼oBxEÔ7^¹REEB¾0^¹;)xÅ·Æ^9µÁEÁ7^Æ BxEÔ7ÜEa»¿x¼Æx³ÈEÁ7^Æ BxÆÔ7^¹E¸B´»)x³,7^cZÔ³3B´cR¶BR7¸ÀEÁ³3x&Ä^E7x»Å7^cÛ^EÁ7^ExÂ~.)7¸IE3»R¶E^Ô´RBµ^B¸c ®E¯°§± x¶E)B¼c[¹Pµ^xx¸EBxUxEBx&7Ex»E&Ô7^§¹Ý)»c³3^,^³3B¼´xca³3B´x ÓWÁEÌÔ´½PÑBc^c9PE¶Ex7¸xxRxÕRx^»1ERBµ^B¸1Õ¿x^^Â

ÞZ¬cßàA^7«cán~ÎcÝâÐ^³*³WB´x9PEx¹ ± ^¶B¼âi·B´âÐP³3³BÑxÁ7^Ex¹ ® x7^EâÐP³3ƳBÑxÁ7^"ã^Ì7»x³1x¹ä2µP&¸ÜånÕR¹æ^P³3^µ^xx^E ® ´7P ® »Ìc9cx¹ºæ^E7ÁÆ7^Eçxcx¹UæBÖEBxÆ7ã^xPxçxcx¹§çxµ)æx7¸oPÚÌÒÂ

è