Ejercicio 1:

clcclearx=0:0.01:2;y1=-x;y2=log(x);plot(x,y1,'r',x,y2,'g')grid on

0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2-5

-4

-3

-2

-1

0

1

function y=g1(x)y=x+log(x); end

a=0, b=2, tolerancia=10^(-8)

a =

0

b =

2

tolerancia =

1.0000e-008

>> [c]=bisec('g1',a,b,tolerancia)

Ejercicio 2

clcclearx=0:0.01:5;y1=2*x-7;y2=-3*log(x);plot(x,y1,'m',x,y2,'c')grid on

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5-10

-5

0

5

10

15