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مصراته جامعت كليتعلوماثقنيت الم تر مقر- لبياناث قواعد ا2 ولفصل ا اللباعورسط البا عبدا1 | Page ئقي الجبر العلمحتوياث اا يمذيح................................ ................................ ................................ ................................ ...... 2 لاخ انؼحاظ انش................................ ................................ ................................ .................. 2 انزثشئم انؼ................................ ................................ ................................ ........................... 3 اسخت ا عماغ ا( انؼشض) selection and projection ................................ ............................. 5

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  • 2 -

    e g a P | 1

    2 ......................................................................................................................................

    2 ..................................................................................................................

    3 ...........................................................................................................................

    5 ............................................................. noitcejorp dna noitceles )(

  • 2 -

    e g a P | 2

    .

    . .

    .

    . LQS .

    .

    }3,1{=1D .

    1D2D . }c,b,a{=2D

    :

    })c,3(,)b,3(,)a,3(,)c,1(,)b,1(,}a,1({=2Dx1D

    })a,3(,)a,1({=R . :

    :

    RxyxDyDya ({,)|1,2,}

    a

    :

    SxyxDyDx ({,)|1,2,3}

    :

    })c,3(,)b,3(,)a,3({=S

    3D,2D,1D .

    3Dx2Dx1D

    :

    }9,6,3{=3D }6,4,2{=2D }3,1{=1D

    ,)9,6,1( ,)6,6,1( ,)3,6,1( ,)9,4,1( ,)6,4,1( ,)3,4,1( ,)9,2,1( ,)6,2,1( ,)3,2,1({ = 3Dx2Dx1D

    } )9,6,3( ,)6,6,3( ,)3,6,3( ,)9,4,3( ,)6,4,3( ,)3,4,3( ,)9,2,3( ,)6,2,3( ,)3,2,3(

    T .

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  • 2 -

    e g a P | 3

    TxyzxDyDzDzxy ({,,)|1,2,3,}

    })9,6,3( ,)3,2,1({ =T

    n .

    : nD,,2D,1D

    DDDddddDdDdD nnnn 12121122 ...({,...,)|,,...,}

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    . )erusolc(

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    LQS .

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    noitceles .

    noinu )( noitcejorp)(

    ( tcudorp naisetraC ecnereffid

    . )

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    )laer : ega ,regetni : gnitar ,gnirts : emanu ,regetni : diu ( resU

    )gnirts :epyt ,gnirts :eltitb ,regetni : dib( kooB

    )etad :yad ,regetni :dib ,regetni :diu ( worroB

  • 2 -

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    sresu 1S

    egA gnitaR emanU diu

    0.54 7 22

    5.55 8 13

    0.53 01 85

    sresu 2S

    egA gnitaR emanU diu

    0.52 9 82

    5.55 8 13

    0.52 5 44

    0.53 01 85

    worrob 1R

    etaD dib diU

    7002/01/22 101 22

    7002/11/01 301 85

    kooB

    dib eltitB epyT

    101

    201

    301

    401

  • 2 -

    e g a P | 5

    noitcejorp dna noitceles ( )

    )( ,

    .

    ) ( ()

    . sresu 2S

    gnitarS 8(2)

    :

    egA gnitaR emanU diU

    0.52 9 82

    0.53 01 85

  • 2 -

    e g a P | 6

    . . 8>gnitar

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    . < > = !=) -( +

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    . ) (

    :

    emanuegaS ,(2) :

    egA emanu

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    egaS(2)

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    egA

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  • 2 -

    e g a P | 7

    emansgnitargnitarS ,8 ((2)) :

    gnitaR emanu

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    . 2S