Лабораторная работа: Градієнтні методи

{

double f;

N0++;

f=3*x1-1.2*x2+exp (0.02*x1*x1+1.3*x2*x2);

return (f);

}

double fdx1 (double x1,double x2)

{double fx1;

N1++;

fx1=3+0.04*x1*exp (0.02*x1*x1+1.3*x2*x2);

return (fx1); }

double fdx2 (double x1,double x2)

{ double fx2;

N1++;

fx2=-1.2+2.6*x2*exp (0.02*x1*x1+1.3*x2*x2);

return (fx2); }

void evrist ()

{ double x1 [100],x2 [100],A1,A2,E2,del1,del2,f1,f2,h [4],g [4],b [4],r [4];

double d,N;

int k;

x1 [0] =-1;

x2 [0] =0;

E2=0.0001;

del1=0.01;

del2=3;

A1=0.5;

A2=2;

k=0;

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