Friday 8 April 2016

WAP for multiplication of matrix


#include<iostream.h>
#include<conio.h>
void main()
{
 int a[2][2],b[2][2],c[2][2],n,m,i,j,k;
 cout<<"\n enter size of rows :";
 cin>>n;
 cout<<"\n enter size of collumns  :";
 cin>>m;
 cout<<"\n enter element of 2d array :";
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cin>>a[i][j];
}
}
 cout<<"\n first matrix \n\n\n:";
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cout<<"\t"<<a[i][j];
}
cout<<"\n\n";
}
 cout<<"\n enter same size of rows :";
 cin>>n;
 cout<<"\n enter same size of collumns  :";
 cin>>m;
 cout<<"\n enter element of 2d array :";
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cin>>b[i][j];
}
}
 cout<<"\n second matrix \n\n\n:";
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cout<<"\t"<<b[i][j];
}
cout<<"\n\n";
}
for(i=1;i<=n;i++)
{
 for(j=1;j<=m;j++)
 {
  c[i][j]=0;
  for(k=1;k<=n;k++)
  {
  c[i][j]=c[i][j]+a[i][k]*b[k][j];
  }
 }
}
 cout<<"\n multiplication of matrix is \n\n\n:";
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cout<<"\t"<<c[i][j];
}
cout<<"\n\n";
}
 getch();
 clrscr();
 }

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