c++复数矩阵乘法函数
时间: 2023-10-12 19:05:05 浏览: 50
以下是一个简单的 C++ 实现,可以对复数矩阵进行乘法运算:
```c++
#include <iostream>
#include <complex>
#include <vector>
using namespace std;
typedef complex<double> Complex; // 定义复数类型
vector<vector<Complex>> matrix_multiply(vector<vector<Complex>> A, vector<vector<Complex>> B) {
int n1 = A.size(), m1 = A[0].size();
int n2 = B.size(), m2 = B[0].size();
if (m1 != n2) {
cout << "Error: the number of columns in A must be equal to the number of rows in B." << endl;
return vector<vector<Complex>>();
}
vector<vector<Complex>> res(n1, vector<Complex>(m2));
for (int i = 0; i < n1; i++) {
for (int j = 0; j < m2; j++) {
for (int k = 0; k < m1; k++) {
res[i][j] += A[i][k] * B[k][j];
}
}
}
return res;
}
int main() {
vector<vector<Complex>> A = {{1, 2}, {3, 4}};
vector<vector<Complex>> B = {{5, 6}, {7, 8}};
vector<vector<Complex>> C = matrix_multiply(A, B);
for (int i = 0; i < C.size(); i++) {
for (int j = 0; j < C[0].size(); j++) {
cout << C[i][j] << " ";
}
cout << endl;
}
return 0;
}
```
注意:这里使用了 C++11 中的复数类型 `complex`,可以直接进行加减乘除等运算。以上代码仅作为参考,实际实现中可能需要根据具体情况进行修改和优化。