friend ostream& operator << (ostream & output, Matrix<T>& o)
    {
        for (unsigned int x = 0;x<o.rows;x++)
        {
            for (unsigned int y = 0;y<o.cols;y++)
            {
                output << setprecision(3) << left << setw(10) << o.matrix[x][y];
            }

            output << endl;
        }

        return output;
    }