Computer Programming C Laboratory: Practical C Programs

Write a C program for matrix multiplication

C Program with Algorithm, Flowchart, Output

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Simple C Program with Algorithm, Flowchart, Output - Computer Programming - C

Write a program for matrix multiplication.

AIM

To write a program for matrix multiplication.

ALGORITHM

Step‒1 : Start

Step-2 : Read size of the array m,n

Step-3 : Check p is equal to n, if not go to step 12

Step-4 : Read matrix value a[i][j]

Step-5 : Read matrix value b[i][j]

Step-6 : Set a loop to calculate matrix multiplication

Step-6 : d[i][j]=0; d[i][j]=d[i][j] +a[i][k]*b[k][j]

Step-8 : Set a loop to print matrix values

Step-9 : Print matrix value d[i][j], after completing goto step 14

Step-10 : If step‒3 is not equal then

Step‒11 : Print the number of rows and columns should not be equal.

Step‒12 : Stop

FLOWCHART

PROGRAM

#include<stdio.h>

void main()

{

int a[10][10],b[10][10],d[10][10], i,j,p,q,m,n,k;

printf("Enter size of the A matrix :");

scanf("%d %d", &p,&q);

printf("Enter size of the B matrix");

scanf("%d %d",&m,&n);

if(p==n)

{

printf("Enter the elements of A matrix.\n “);

for(i=0;i<p;i++)

{

for(j=0;j<q;j++):

scanf("%d",&a[i][j]);

}

printf("Enter the elements of B matrix. \n");

for(i=0;i<m;i++)

{

for(j=0;j<n;j++)

scanf("%d",&b[i][j]);

}

for(i=0;i<m;i++)

{

for(j=0;j<n;j++)

{

d[i][j]=0;

for(k=0;k<p;k++)

d[i][j]=d[i][j]+a[i][k]*b[k][j];

}

printf("Multiplication of A and B matrix:\n");

for(i=0;i<m;i++)

{

for(j=0;j<n;j++)

printf("%5d ",d[i][j]);b

printf("\n");

}

printf("The no.of rows and coloums should bot be equal.");

}

OUTPUT

Enter size of the A matrix :33

Enter size of the B matrix : 3 3

Enter the elements of A matrix. 1 2 3 4 5 6 7 8 9

Enter the elements of B matrix. 2 4 1 6 7 4 3 5 7

Multiplication of A and B matrix:

23 33 30

56 81 66

89 129 102

Computer Programming C Laboratory: Practical C Programs : Tag: C Programming : C Program with Algorithm, Flowchart, Output - Write a C program for matrix multiplication

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