ex_13sqp2.c

来自「an modern SQP method to make the origina」· C语言 代码 · 共 52 行

 #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "math_util.h"
int n_fun;
main()
{
    long double tol, *x;
    int n, m, p;
    void ex13_fun( long double *, long double *, long double * );
    void sqp_2( void(*)(long double *, long double *, long double *), 
       long double *, int, int, int, long double ); 
       
    n_fun = 0;
       
	n = 3;
	m = 0;
	p = 2;
	
	x = a1d_allo_dbl( n );
	
	x[0] = 10.0;
	x[1] = 10.0;
	x[2] = 0.0;
	
	tol = 1.0e-4;
	
    sqp_2( ex13_fun, x, n, m, p, tol );
    
    printf("\nSolution x: ");
    print_vec_dbl( x, n );
    printf("\n");
    printf(" # of function evaluations: %d\n",n_fun);
}
/*
	
*/
void ex13_fun( f, g, x )
long double *f, *g, *x;
{

   n_fun++; 
   *f = -x[0]*x[1]*x[2];
          
   g[0] = -x[0]-2.0*x[1]-2.0*x[2];
   g[1] =  x[0]+2.0*x[1]+2.0*x[2]-72.0;
   
   return;
}
/*

*/