Write a program to read two matrices from the keyboard and find its product

   1:  #include<stdio.h>

   2:  #include<conio.h>

   3:  #include<stdlib.h>

   4:  void getproduct(int,int,int,float[10][10],float[10][10]);

   5:  void main()

   6:  {

   7:  int i,j,k,m1,n1,m2,n2;

   8:  float x[10][10],y[10][10];

   9:  printf("\nEnter the rows of matrix X: ");

  10:  scanf("%d",&m1);

  11:  printf("\nEnter the clomuns of matrix X: ");

  12:  scanf("%d",&n1);

  13:  printf("\nEnter the rows of matrix Y: ");

  14:  scanf("%d",&m2);

  15:  printf("\nEnter the columns of matrix y: ");

  16:  scanf("%d",&n2);

  17:  if(n1==m2)

  18:  k=n1;

  19:  else

  20:  {

  21:  printf("\nMultiplication of X and Y is not possible:");

  22:  getch();

  23:  exit(0);

  24:  }

  25:  printf("\nEnter the elements of first matrix:\n");

  26:  for(i=0;i<m1;i++)

  27:  for(j=0;j<n1;j++)

  28:  scanf("%f",&x[i][j]);

  29:  printf("\nEnter the elements of second matrix:\n");

  30:  for(i=0;i<m2;i++)

  31:  for(j=0;j<n2;j++)

  32:  scanf("%f",&y[i][j]);

  33:  getproduct(m1,k,n2,x,y);

  34:  getch();

  35:  }

  36:  void getproduct(int m1,int k,int n2,float x[10][10],float y[10][10])

  37:  {

  38:  int u,v,i;

  39:  float z[10][10];

  40:  for(u=0;u<m1;u++)

  41:  for(v=0;v<n2;v++)

  42:  {

  43:  z[u][v]=0.0;

  44:  for(i=0;i<k;i++)

  45:  z[u][v]+=x[u][i]*y[i][v];

  46:  }

  47:  printf("MATRIX Z=X*Y\n\n");

  48:  for(u=0;u<m1;u++)

  49:  {

  50:  for(v=0;v<n2;v++)

  51:  {

  52:  printf("%8.3f",z[u][v]);

  53:  }

  54:  printf("\n");

  55:  }

  56:  getch();

  57:  }