Addition 3X3 Matrix using function

/*program of addition of two given 3X3 matrix through function*/

#include<stdio.h>

#include<conio.h>

void show_matrix(int mat[3][3]);

void add_matrix(int matA[3][3], int matB[3][3], int matSum[3][3]);

int main()

{

 int x[3][3] = { {1,2,3}, {4,5,6}, {7,8,9} };

 int y[3][3] = { {1,4,7}, {2,5,8}, {4,1,2} };

 int z[3][3];

 add_matrix(x,y,z);

 printf("\nFirst matrix is :\n");

 show_matrix(x);

 printf("\nSecond matrix is :\n");

 show_matrix(y);

 printf("\nNew addition matrix is :\n");

 show_matrix(z);
 getch();

 return 0;

}

void add_matrix(int matA[3][3], int matB[3][3], int matSum[3][3])

{

  int r,c;

  for(r=0; r<3; r++)

  {

    for(c=0; c<3; c++)

        matSum[r][c]=matA[r][c]+matB[r][c];

  }

}

void show_matrix(int mat[3][3])

{

  int r,c;

  for(r=0; r<3; r++)

  {

    for(c=0; c<3; c++)

        printf(" %d",mat[r][c]);

    printf("\n");

  }

}

             Output of above program : 

First matrix is :

1 2 3

4 5 6

7 8 9

Second matrix is :

1 4 7

2 5 8

4 1 2

New addition matrix is :

2  6  10

6  10 14

11 9  11

Related program:

1. Difference of two matrix
2. Sum of matrix
3. Transpose of matrix
4. Product of matrix
5. Diagonal sum of matrix

Addition of two 3x3 matrix

Q. Write a C program for addition of two 3x3 matrix.

Ans.

/*source code of addition of 3x3 matrix c program*/
#include<stdio.h>
#include<conio.h>
int main()
{
 int matA[3][3],matB[3][3],matC[3][3];
 int r,c,k;
 for(r=0; r<3; r++)
 {
  for(c=0; c<3; c++)
  {
    printf("Enter first matrix : ");
    scanf("%d", &matA[r][c]);
  }
 }
 for(r=0; r<3; r++)
 {
  for(c=0; c<3; c++)
  {
    printf("Enter second matrix : ");
    scanf("%d", &matB[r][c]);
  }
 }
 for(r=0; r<3; r++)
 {
  for(c=0; c<3; c++)
  {
    matC[r][c]=0;
    for(k=0; k<3;k++)
       matC[r][c] = matA[r][c] + matB[r][c];
  }
 }
 printf("\n New addition matrix : \n"); 
 for(r=0; r<3; r++)
 {
  for(c=0; c<3; c++)
     printf(" %d",matC[r][c]);
  printf("\n");
 }
 getch();

 return 0;

}

/************************************************************

The output of above Addition of two 3x3 martix C program would be:

***********************************************************/

Figure: Screen shot for addition of two 3x3 matrix
C program

In simple and easy way output of above program :

Enter first matrix :
  1 2 3

  4 5 6

  7 8 9

Enter second matrix :
  2 1 7

  4 6 3

  8 1 1

New addition matrix :
  3  3  10

  8  11 9

  15 9  10

You might also like to read following matrix C program:

    1.  Addition of two 3x3 matrix using function
   2. Product of two matrix
   3. Transpose of two matrix
   4. Diagonal sum of two matrix
   5. Subtract of two matrix