112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
#include<conio.h>
|
|
#include<iostream>
|
|
using namespace std;
|
|
int main()
|
|
{
|
|
int a[10][10], b[10][10], c[10][10];
|
|
int x, y, i, j, m, n;
|
|
cout << "\nEnter the number of rows and columns for Matrix A:::\n\n";
|
|
cin >> x >> y;
|
|
// x denotes number rows in matrix A
|
|
// y denotes number columns in matrix A
|
|
cout << "\n\nEnter elements for Matrix A :::\n\n";
|
|
for (i = 0; i < x; i++)
|
|
{
|
|
for (j = 0; j < y; j++)
|
|
{
|
|
cin >> a[i][j];
|
|
}
|
|
cout << "\n";
|
|
}
|
|
cout << "\n\nMatrix A :\n\n";
|
|
for (i = 0; i < x; i++)
|
|
{
|
|
for (j = 0; j < y; j++)
|
|
{
|
|
cout << "\t" << a[i][j];
|
|
}
|
|
cout << "\n\n";
|
|
}
|
|
cout << "\n-----------------------------------------------------------\n";
|
|
cout << "\nEnter the number of rows and columns for Matrix B:::\n\n";
|
|
cin >> m >> n;
|
|
// m denotes number rows in matrix B
|
|
// n denotes number columns in matrix B
|
|
cout << "\n\nEnter elements for Matrix B :::\n\n";
|
|
for (i = 0; i < m; i++)
|
|
{
|
|
for (j = 0; j < n; j++)
|
|
{
|
|
cin >> b[i][j];
|
|
}
|
|
cout << "\n";
|
|
}
|
|
cout << "\n\nMatrix B :\n\n";
|
|
for (i = 0; i < m; i++)
|
|
{
|
|
for (j = 0; j < n; j++)
|
|
{
|
|
cout << "\t" << b[i][j];
|
|
}
|
|
cout << "\n\n";
|
|
}
|
|
if (y == m)
|
|
{
|
|
for (i = 0; i < x; i++)
|
|
{
|
|
for (j = 0; j < n; j++)
|
|
{
|
|
c[i][j] = 0;
|
|
for (int k = 0; k < m; k++)
|
|
{
|
|
c[i][j] = c[i][j] + a[i][k] * b[k][j];
|
|
}
|
|
}
|
|
}
|
|
cout
|
|
<< "\n-----------------------------------------------------------\n";
|
|
cout << "\n\nMultiplication of Matrix A and Matrix B :\n\n";
|
|
for (i = 0; i < x; i++)
|
|
{
|
|
for (j = 0; j < n; j++)
|
|
{
|
|
cout << "\t" << c[i][j];
|
|
}
|
|
cout << "\n\n";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
cout << "\n\nMultiplication is not possible";
|
|
}
|
|
getch();
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
Enter the number of rows and columns for Matrix A:::
|
|
2 2
|
|
|
|
Enter elements for Matrix A :::
|
|
1 2
|
|
3 4
|
|
|
|
Matrix A :
|
|
1 2
|
|
3 4
|
|
-----------------------------------------------------------
|
|
Enter the number of rows and columns for Matrix B:::
|
|
2 2
|
|
|
|
Enter elements for Matrix B :::
|
|
4 5
|
|
6 7
|
|
|
|
Matrix B :
|
|
4 5
|
|
6 7
|
|
-----------------------------------------------------------
|
|
|
|
Multiplication of Matrix A and Matrix B :
|
|
16 19
|
|
36 43
|