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Multiplication of Matrix in C
C program to Multiply two matrices in C
- In this problem, we are required to multiply two matrices of same or varied dimensions.
- First the order of both the matrices is taken as input and in correspondence to it the elements of the matrices are taken as input.
- The elements of the matrices are then multiplied accordingly.
#include<stdio.h>
#include<stdlib.h>
int main ()
{
int a[10][10], b[10][10], mul[10][10], r, c, i, j, k;
printf ("enter the number of row=");
scanf ("%d", &r);
printf ("enter the number of column=");
scanf ("%d", &c);
printf ("enter the first matrix element=\n");
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++)
{
scanf ("%d", &a[i][j]);
}
}
printf ("enter the second matrix element=\n");
for(i = 0; i < r; i++)
{
for(j = 0; j < c; j++)
{
scanf ("%d", &b[i][j]);
}
}
printf ("multiply of the matrix=\n");
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++)
{
mul[i][j] = 0;
for (k = 0; k < c; k++)
{
mul[i][j] += a[i][k] * b[k][j];
}
}
}
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++)
{
printf ("%d\t", mul[i][j]);
}
printf ("\n");
}
return 0;
}