C program to print product of 2 matrices (Program 23)
/*
Made by Anmol main
Student :B.tech CSE
Punjabi university Patiala
Program No. : 23
*/
//number of rows of 1 matrix and number of colums of 2 matrix
#include <stdio.h>
#define n 3
int main()
{
int i, j, k = 0;
int sum = 0;
int rows, colums;
int brows, bcolums;
int product[n][n];
int text[n][n];
int text2[n][n];
printf("Enter number of rows of matrix A: ");
scanf("%d", &rows);
printf("Enter number of colums of matrix A: ");
scanf("%d", &colums);
//getting input of 2 matrices
for (i = 0; i < rows; i++)
{
for (j = 0; j < colums; j++)
{
printf("A %d%d : ", i + 1, j + 1);
scanf("%d", &text[i][j]);
}
}
printf("\n\n");
printf("Enter number of rows of matrix B: ");
scanf("%d", &brows);
printf("Enter number of colums of matrix B: ");
scanf("%d", &bcolums);
for (i = 0; i < brows; i++)
{
for (j = 0; j < bcolums; j++)
{
printf("A %d%d : ", i + 1, j + 1);
scanf("%d", &text2[i][j]);
}
}
//printing 2 martrices
printf("\nMatrix B :");
for (i = 0; i < rows; i++)
{
printf("\n");
for (j = 0; j < colums; j++)
{
printf("%d ", text[i][j]);
}
}
printf("\n\nMatrix B :");
for (i = 0; i < brows; i++)
{
printf("\n");
for (j = 0; j < bcolums; j++)
{
printf("%d ", text2[i][j]);
}
}
//resulatant matrix
printf("\n\nResultant Matrix :");
for (i = 0; i < rows; i++)
{
for (j = 0; j < bcolums; j++)
{
for (k = 0; k < brows; k++)
{
sum += text[i][k] * text2[k][j];
}
product[i][j] = sum;
sum = 0;
}
}
for (i = 0; i < rows; i++)
{
printf("\n");
for (j = 0; j < bcolums; j++)
{
printf("%d ", product[i][j]);
}
}
return 0;
}
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