magic.cpp

matlab实用教程

#include "engine.h"
#include <stdio.h>
void main()
{
	Engine *ep;
	double *p;
	mxArray *equation;
	int i = 0,j=0;
	int status = 0;
	// 打开计算引擎
	ep = engOpen(NULL);
	if( ep == (Engine *)NULL ){
		printf("错误：无法打开MATLAB计算引擎\n" );
		exit(-1);
	}
// 执行MATLAB指令
	engEvalString(ep,"A = magic(5);");
	equation=engGetVariable(ep,"A");
	p=mxGetPr(equation);
	printf("\nMATLAB 中计算magic(5)\n");
	for(i=0;i<5;i++)
	{
		for(j=0;j<5;j++)
			printf("%8.0lf",*(p+i+j*5));
		printf("\n");
	}
	// 关闭MATLAB计算引擎
	status = engClose(ep);
	if(status != 0){
		printf("无法正常关闭MATLAB计算引擎\n");
		exit(-1);
	}
}