0

Hello all!

So I have an assignment to create a matrix multiplication program using classes (no friend functions). To be quite frank, I am completely lost and have no idea what I'm doing here.

The directions state that the private class hold 3 matricies and also that I need to have three member functions : one to initiate any program arrays, one that inputs the data, and one that calculates the matrix multiplication. Any input would be greatly appreciated!

I would also have to make the program input the matricies row by row as well as ask for a repeat..

Any help would be appreciated as I am thoroughly confused with c++

```
#include <iostream>
using namespace std;
class Matrix
{
int a[3][3];
int b[3][3];
int c[3][3];
int i,j,k;
public:
void Mult();
void InputMatrix();
void OutputMatrix();
};
void Matrix::InputMatrix()
{
cout << "Enter the values for the first matrix";
cout << "\n Matrix 1, Row 1:";
for (i=0; i<3; i++)
{
for (j=0; j<3; j++)
{
cin >> a[i][j];
}
}
cout << "Enter the values for the second matrix";
for (i=0; i<3; i++)
{
for (j=0; j<3; j++)
{
cin >> b[i][j];
}
}
}
void Matrix::Mult()
{
for (i=0; i<3; i++)
{
for (j=0; j<3; j++)
{
c[i][j]=0;
for (k=0; k<3; k++)
{
c[i][j] += a[i][k] * b[k][j];
}
}
}
}
void Matrix::OutputMatrix()
{
cout << "The Resultant Matrix is: \n";
for (i=0; i<3; i++)
{
for (j=0; j<3; j++)
{
cout << c[i][j];
}
cout << endl;
}
}
int main()
{
Matrix x;
x.InputMatrix();
x.Mult();
x.OutputMatrix();
system ("pause");
return 0;
}
```