Main code of matrix copmutation

  cout<<"\nTHIS ASSIGNMENT IS TO COVER THE FOLLOWING: "<<endl;
      cout<<"\n                         > Find and displaying Determinant"<<endl;
      cout<<"\n                         > Find and displaying the Inverse"<<endl;
      cout<<"\n                           matrix"<<endl;
      cout<<"\n                         > Carrying out row transformation"<<endl;
      cout<<"\n                         > Addition & Subtraction"<<endl;
      cout<<"\n                         > Multiplicationn & division"<<endl;
      cout<<"\n"<<endl;
    cout<<"\n1.Add matrices\n2.Subtract matrices\n3.Multiplymatrices\n4.Find determinant\n5.Find INverse"<<endl;
    cout<<"Select any one above , then hit ENTER"<<endl;
    cin>>x;
    if(x==1)
    {
    cout<<"enter the dimension of matrix A:";
     Matrix A = Matrix(rows,cols);
     cin>>rows ;
    cout<<"enter cols:";
    cin>>cols ;
    //cout<<rows<<cols;


    cout<<"enter the elements of matrix A:";
    for (int r = 0; r < rows; r++)
     { for (int c = 0; c < cols; c++)
       {
        cin>>A(r,c);
       }
     }
    cout<<"enter the dimension of matrix B:";
    Matrix B = Matrix(cols, rows);
    cout<<"enter the elements of matrix B:";
    for (int r=0;r<rows;r++)
     { for (int c=0;c<cols;c++)
       {
        cin>>B(r,c);
       }
     }
     Matrix C;
    C = A + B;
    printf("A + B = \n");
    C.Print();
    printf("\n");
    }
    else if(x==2)
  {  cout<<"enter the dimension of matrix A:";
    cin>>rows>>cols;
    Matrix A = Matrix(cols, rows);
    cout<<"enter the elements of matrix A:";
    for (int r=0;r<rows;r++)
     { for (int c=0;c<cols;c++)
       {
        cin>>A(r,c);
       }
     }


    Matrix B = Matrix(cols, rows);
    cout<<"enter the elements of matrix B:";
    for (int r=0;r<rows;r++)
     { for (int c=0;c<cols;c++)
       {
        cin>>B(r,c);
       }
     }
    Matrix C;
     C = A - B;
    printf("A - B = \n");
    C.Print();
    printf("\n");
  }
   else if (x==3)
   {
     cout<<"enter the dimension of matrix A:";
    cin>>rows>>cols;
    Matrix A = Matrix(cols, rows);
    cout<<"enter the elements of matrix A:";
    for (int r=0;r<rows;r++)
     { for (int c=0;c<cols;c++)
       {
        cin>>A(r,c);
       }
     }


    Matrix B = Matrix(cols, rows);
    cout<<"enter the elements of matrix B:";
    for (int r=0;r<rows;r++)
     { for (int c=0;c<cols;c++)
       {
        cin>>B(r,c);
       }
     }
     Matrix C;
     C = A * B;
    printf("A * B2 = \n");
    C.Print();
    printf("\n");
    }
    else if (x==4)
    {
    cout<<"enter the dimension of matrix for which you want to find its det:";
    cin>>rows>>cols;
    Matrix A = Matrix(cols, rows);
    cout<<"enter the elements of matrix A:";
    for (int r=0;r<rows;r++)
     { for (int c=0;c<cols;c++)
       {
        cin>>A(r,c);
       }
     }
    printf("A = \n");
    A.Print();
    printf("Det(A) = %f\n\n", Det(A));
    }
    else if(x==5)
    {
    cout<<"enter the dimension of matrix A:";
    cin>>rows>>cols;
    Matrix A = Matrix(cols, rows);
    cout<<"enter the elements of matrix A:";
    for (int r=0;r<rows;r++)
     { for (int c=0;c<cols;c++)
       {
        cin>>A(r,c);
       }
     }
    Matrix A_inv = Inv(A);
    printf("Inv(A) = \n");
    A_inv.Print();
    printf("\n");
    }
    else


    cout<<"wrong choice";


   /* rows = 2;
    cols = 5;
    Matrix H = Matrix(rows, cols);
    for (int r = 1; r <= rows; r++)
    {
      for (int c = 1; c <= cols; c++)
      {
        count ++;
        H(r, c) = count;
      }
    }
    printf("H = \n");
    H.Print();
    printf("\n");*/
    cout<<"\nContinue(y/n)";
  cin>>ch;
  } while (ch=='y'||ch=='Y');
   cin.get();






  PAUSE;


  getch ();
}