#include<iostream>
#include<cstdlib>
#include<cmath>
using namespace std;
int main()
{
int n,i,j,k;
double arr1[100][100]={0};
double arr2[100][100]={0};
double arr3[100][100]={0};
cout<<"矩陣相乘試驗"<<endl;
cout<<"請輸入將要進行的n階矩陣相乘之矩陣n的數"<<endl;
cin>>n;
cout<<"請輸入矩陣A"<<endl;
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
cin>>arr1[i][j];
}
}
cout<<"請輸入矩陣B"<<endl;
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
cin>>arr2[i][j];
}
}
cout<<"所得您所得之舉陣相乘之答案為"<<endl;
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
for(k=0;k<n;k++)
{
arr3[i][j]+=arr1[i][k]*arr2[k][j];
}
cout<<arr3[i][j]<<" ";
}
cout<<endl;
}
return 0;
}
