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Monday, July 21, 2014
#include<stdio.h>
#include<conio.h>

void main()
{
            int m,n,p,q,i,j,k,mat1[10][10],mat2[10][10],result[10][10];
            clrscr();  //to clear the screen
            printf(“enter the number of rows and columns for marix1 respectively \n”);
            scanf(“%d%d”,&m,&n);
            printf(“enter the number of rows and columns for marix2 respectively \n”);
            scanf(“%d%d”,&p,&q);
           
            if(n==p)  //if multiplication of mat1*mat2 then it’s mat1 number of columns must equal to mat2 number of rows
            {          
printf(“enter the elements value of matrix1 \n”);
                                    for(i=0;i<m;i++)
                                                for(j=0;j<n;j++)
                                                            scanf(“%d”,&mat1[i][j]);
                       
                        printf(“enter the elements value of matrix2 \n”);
                                    for(i=0;i<p;i++)
                                                for(j=0;j<q;j++)
                                                            scanf(“%d”,&mat1[i][j]);
                        for(k=0;k<n;k++)
                                    for(i=0;i<m;i++)
                                                for(j=0;j<q;j++)
                                                            result[i][j]=mat1[i][k]*mat2[k][j];

                        printf(“resultant matrix is ….\n”);
                        for(i=0;i<m;i++)
                        {
                                    for(j=0;j<q;j++)
                                    {
                                                printf(“%d\t”,result[i][j]);
                                    }
                                    printf(“\n”);
                        }
            }
            else
            {
                        printf(“math error! \n”);
            }
getch();
}

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