fmin.c

适合大型数值计算代码 现在网络上已经找不到了 购买需要20$

#define NRANSI
#include "nrutil.h"

extern int nn;
extern float *fvec;
extern void (*nrfuncv)(int n, float v[], float f[]);

float fmin(float x[])
{
	int i;
	float sum;

	(*nrfuncv)(nn,x,fvec);
	for (sum=0.0,i=1;i<=nn;i++) sum += SQR(fvec[i]);
	return 0.5*sum;
}
#undef NRANSI