#include<iostream.h>
#include<conio.h>
#define s 20
class matrix
{
int a[s][s],x,y;
//static int n;
public:
void get();
void put();
matrix operator+(matrix);
matrix operator-(matrix);
matrix operator*(matrix);
matrix transpose();
};
void matrix::get()
{
cout<<"Enter the order of Matrix "<<" :\n";
cin>>x>>y;
cout<<"Enter the Matrix "<<" :\n";
for(int i=0;i<x;i++)
for(int j=0;j<y;j++)
cin>>a[i][j];
}
void matrix::put()
{
cout<<"The Ans is:\n";
for(int i=0;i<x;i++)
{
cout<<"\n\t";
for(int j=0;j<y;j++)
cout<<a[i][j]<<" ";
}
}
matrix matrix::operator+(matrix b)
{
matrix r;
if((x!=b.x)||(y!=b.y))
{
cout<<"\n\tMatrix Addition is not possible the result is incorrect\n\n";
r.x=0;
r.y=0;
}
else
{
r.x=x;
r.y=y;
}
for(int i=0;i<x;i++)
for(int j=0;j<y;j++)
r.a[i][j]=a[i][j]+b.a[i][j];
return r;
}
matrix matrix::operator-(matrix b)
{
matrix r;
if((x!=b.x)||(y!=b.y))
{
cout<<"\n\tMatrix subtraction is not possible the result is incorrect\n\n";
r.x=0;
r.y=0;
}
else
{
r.x=x;
r.y=y;
}
for(int i=0;i<x;i++)
for(int j=0;j<y;j++)
r.a[i][j]=a[i][j]-b.a[i][j];
return r;
}
matrix matrix::operator*(matrix b)
{
matrix r;
if((x!=b.y)||(y!=b.x))
{
cout<<"\n\tMatrix Multiplication is not possible the result is incorrect\n\n";
r.x=0;
r.y=0;
}
else
{
r.x=x;
r.y=b.y;
}
for(int i=0;i<s;i++)
for(int j=0;j<s;j++)
r.a[i][j]=0;
for(i=0;i<x;i++)
for(j=0;j<b.y;j++)
for(int k=0;(k<y)||(k<b.x);k++)
r.a[i][j]+=a[i][k]*b.a[k][j];
return r;
}
matrix matrix::transpose()
{
matrix r;
for(int i=0;i<x;i++)
for(int j=0;j<y;j++)
r.a[i][j]=a[j][i];
r.x=x;
r.y=y;
return r;
}
//..........................Main function..................................
int main()
{
clrscr();
char op;
matrix a,b,c;
int t=1;
while(t)
{
cout<<"\tSelect Option\n\n1.Matrix Addition\n2.Matrix Subtration\n3.Matrix Multiplication\n4.Matrix Transponse\n5.Exit\n";
op=getch();
switch(op)
{
case '1':
cout<<"\n\tMatrix Addiation\n";
a.get();
b.get();
c=a+b;
c.put();
break;
case'2':
cout<<"\n\tMatrix Subtration\n";
a.get();
b.get();
c=a-b;
c.put();
break;
case'3':
cout<<"\n\tMatrix Multpication\n";
a.get();
b.get();
c=a*b;
c.put();
break;
case'4':
cout<<"\n\tMatrix Transpose\n";
a.get();
c=a.transpose();
c.put();
break;
case'5':
cout<<"\n\tPress any key to exit\n";
t=0;
break;
default:
cout<<"\n\tEnter a valid option\n";
}
getch();
}
getch();
return 0;
}
Class diagram
(click image to view large)
