## 26.8.15

### Create a 'MATRIX' class of size m X n

Create a 'MATRIX' class of size m X n. Overload the ‘+’ operator to add two MATRIX objects. Write a main function to implement it.

#include<iostream.h>
#include<conio.h> class mat

{

int m,n,a[20][20]; public:

mat(int x,int y); void readmat(); mat operator +(mat); void display();
};

mat :: mat(int x,int y)
{
m=x;n=y;
for(int i=0;i<m;i++)
{

for(int j=0;j<n;j++) a[i][j]=0;
}

}
{

cout<<"\nenter matrix elements\n"; for(int i=0;i<m;i++)
for(int j=0;j<n;j++) cin>>a[i][j];
}

mat mat:: operator +(mat obj)
{
mat temp(m,n); for(int i=0;i<m;i++) for(int j=0;j<n;j++)
{

temp.a[i][j]=a[i][j]+obj.a[i][j];
}
return temp;
}
void mat:: display()
{
int i,j; for(i=0;i<m;i++)

{
cout<<"\n\n";
for(j=0;j<n;j++)
cout<<"\t"<<a[i][j];
}

}
int main()

{

int m1,n1; clrscr();

cout<<"\nEnter the size(m,n) of matrix: "; cin>>m1>>n1;
mat a(m1,n1),b(m1,n1),c(m1,n1); cout<<"\nEnter martix 1: "; a.readmat();

c=a.operator +(b); cout<<"\nFirst Matrix :\n"; a.display(); cout<<"\nSecond Matrix :\n"; b.display();

cout<<"\nmatrix 1+matrix 2: "; c.display();
getch(); return 0;
}

********************************OUTPUT**********************************

Enter the size(m,n) of matrix: 2 2

Enter martix 1: enter matrix elements 3 3 3 3

Enter matrix 2: enter matrix elements 4 4 4 4

First Matrix :
 3 3 3 3 Second Matrix : 4 4 4 4

matrix 1 + matrix 2:
 7 7 7 7