ex2.cpp

来自「MATLAB扩展编程by 孙永康.ZIP.有需要的朋友请来下载.」· C++ 代码 · 共 30 行

#include "matlab.hpp"
#include <stdlib.h>     /* used for EXIT_SUCCESS */

static double data[] = { 1, 3, 5, 7, 2, 4, 6, 8 };

int main(void)
{
  // 建立输入矩阵
  mwArray X(4, 2, data);
  mwArray U, S, V;

  // 计算矩阵的奇异值分解
  cout << "One input, one output: " << endl;
  cout << "S = " << svd(X) << endl;

  // 多输出变量的情况
  U = svd(&S, &V, X);

  cout << "One input, three outputs: " << endl;
  cout << "U = " << U << "S = " << S << "V = " << V << endl;

  // 多输出，多输入的情况
  U = svd(&S, &V, X, 0.0);

  cout << "Two inputs, three outputs: " << endl;
  cout << "U = " << U << "S = " << S << "V = " << V;

  return(EXIT_SUCCESS);
}