Sistema de Ecuaciones no lineales

{ x2− y2=4e−x+xy=1 punto inicial [20]

>> x1=(-1:0.1:5);

>> x2=(-1:1:5);

>> [X1,X2]=meshgrid(x1,x2);

>> x1=(-1:0.1:5);

>> x2=(-1:1:5);

>> [X1,X2]=meshgrid(x1,x2);

>> f1=X1.^2-X2.^2-4;

>> f2=exp(-X1)+X1.*X2-1;

>> mesh(X1,X2,f1);

>> hold on

>> mesh(X1,X2,f2);

-2

0

2

4

6

-2-1012345

-30

-20

-10

0

10

20

30