C Program For Matrix Collection

#include<stdio.h>
int main()
{
    int a[20][20],b[20][20],C[20][20],i,j,k,r,c,r2,c2,cho;
    char c1;
    while(1)
    {
        printf("\n**********ENTER ANY ON OF THE FOLLOWING OPERATION***********\n");  
        printf("1. product of given two matrices\n");
        printf("2. sum of the given two matrices\n");
        printf("3. difference of the given two matrices\n");
        printf("4. transpose of given matrix\n");
        scanf("%d",&cho);
        switch(cho)
        {
            case 1:printf("\nenter the number of rows and number of coloumns of matrix A\n");
                scanf("%d%d",&r,&c);
                printf("\nenter the number of rows and number of coloumns of matrix B\n");
                scanf("%d%d",&r2,&c2);
                if(c!=r2)
                {
                    printf("\nno.of rows of A and no.of coloumns of B should be equal\n");
                    break;
                }
                printf("\nenter elements into a matrix A\n");
                for(i=0;i<r;i++)
                    for(j=0;j<c;j++)
                        scanf("%d",&a[i][j]);
                
                printf("\nenter elements into a matrix B\n");
                for(i=0;i<r2;i++)
                    for(j=0;j<c2;j++)
                        scanf("%d",&b[i][j]);
                    
                printf("\nthe matrices you entered is\n");
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c;j++)
                        printf("%d   ",a[i][j]);
                    printf("\n");
                }
                printf("\n\n\n");
                for(i=0;i<r2;i++)
                {
                    for(j=0;j<c2;j++)
                        printf("%d   ",b[i][j]);
                    printf("\n");
                }
                printf("\nproduct of given two matrices is\n");
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c2;j++)
                    {
                        C[i][j] = 0;
                        for(k = 0;k<r2;k++)
                        {
                            C[i][j] = C[i][j] + a[i][k] * b[k][j];
                        }
                    }
                }   
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c2;j++)
                    {
                        printf("%d  ",C[i][j]);
                    }
                    printf("\n");
                }
               
                break;
            case 2:
                printf("\nenter the number of rows and number of coloumns of matrix A\n");
                scanf("%d%d",&r,&c);
                printf("\nenter the number of rows and number of coloumns of matrix B\n");
                scanf("%d%d",&r2,&c2);
                if(r!=r2||c!=c2)
                {
                    printf("\nno.of rows and no.of coloumns should be equal\n");
                    break;
                }
                printf("\nenter elements into a matrix A\n");
                for(i=0;i<r;i++)
                    for(j=0;j<c;j++)
                        scanf("%d",&a[i][j]);
                
                printf("\nenter elements into a matrix B\n");
                for(i=0;i<r2;i++)
                    for(j=0;j<c2;j++)
                        scanf("%d",&b[i][j]);
                    
                printf("\nthe matrices you entered is\n");
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c;j++)
                        printf("%d   ",a[i][j]);
                    printf("\n");
                }
                printf("\n\n\n");
                for(i=0;i<r2;i++)
                {
                    for(j=0;j<c2;j++)
                        printf("%d   ",b[i][j]);
                    printf("\n");
                }
                printf("\nsum of given two matrices is\n");
                for(i=0;i<r;i++)
                    for(j=0;j<c;j++)
                        C[i][j] = a[i][j] + b[i][j];
                   
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c;j++)
                    {
                        printf("%d  ",C[i][j]);
                    }
                    printf("\n");
                }
                break;
            case 3:
                printf("\nenter the number of rows and number of coloumns of matrix A\n");
                scanf("%d%d",&r,&c);
                printf("\nenter the number of rows and number of coloumns of matrix B\n");
                scanf("%d%d",&r2,&c2);
                if(r!=r2||c!=c2)
                {
                    printf("\nno.of rows and no.of coloumns should be equal\n");
                    break;
                }
                printf("\nenter elements into a matrix A\n");
                for(i=0;i<r;i++)
                    for(j=0;j<c;j++)
                        scanf("%d",&a[i][j]);
                
                printf("\nenter elements into a matrix B\n");
                for(i=0;i<r2;i++)
                    for(j=0;j<c2;j++)
                        scanf("%d",&b[i][j]);
                   
                printf("\nthe matrices you entered is\n");
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c;j++)
                        printf("%d   ",a[i][j]);
                    printf("\n");
                }
                printf("\n\n\n");
                for(i=0;i<r2;i++)
                {
                    for(j=0;j<c2;j++)
                        printf("%d   ",b[i][j]);
                    printf("\n");
                }
                printf("\ndifference of given two matrices is\n");
                for(i=0;i<r;i++)
                    for(j=0;j<c;j++)
                        C[i][j] = a[i][j] - b[i][j];
                   
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c;j++)
                    {
                        printf("%d  ",C[i][j]);
                    }
                    printf("\n");
                }
                break;
            case 4:
                printf("\nenter the number of rows and number of coloumns\n");
                scanf("%d%d",&r,&c);
                printf("\nenter elements into a matrix\n");
                for(i=0;i<r;i++)
                    for(j=0;j<c;j++)
                        scanf("%d",&a[i][j]);
                   
                printf("\nthe matrix you entered is\n");
                for(i=0;i<r;i++)
                {
                    for(j=0;j<c;j++)
                        printf("%d   ",a[i][j]);
                    printf("\n");
                }
               
                printf("\ntranspose of given matrix is\n");
                for(i=0;i<r;i++)
                    for(j=0;j<c;j++)
                        b[j][i] = a[i][j];
                for(i=0;i<c;i++)
                {
                    for(j=0;j<r;j++)
                    {
                        printf("%d  ",b[i][j]);
                    }
                    printf("\n");
                }
                break;
            default:
                printf("\nyou entered wrong option\n");
        }
        printf("\nDO YOU WANT CONTINUE y/n\n");
        fflush(stdin);
        scanf("%c",&c1);
        if(c1 == 'y' || c1 =='Y')
            continue;
        else
            break;
    }
    return(0);
}


Bhanu Namikaze

Bhanu Namikaze is an Ethical Hacker, Web Developer, Student and Mechanical Engineer. He Enjoys writing articles, Blogging, Solving Errors and Social Networking. Feel Free to let me know any of your concerns about hacking or let me know if you need any more methods on hacking anything. Enjoy Learning

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