public static Matrix operator *(Matrix M1, Matrix M2)
{
double[,] res = new double[M1.data.GetLength(0), M2.data.GetLength(1)];
Matrix M3 = new Matrix(res);
for (int i = 0; i < M1.data.GetLength(0); i++)
{
for (int j = 0; j < M2.data.GetLength(1); j++)
{
M3.data[i, j] = M1.GetVector(i, 1) * M2.GetVector(j, 0);
//M3.data[i, j] = M1.GetVector(i, 1).Dot(M2.GetVector(j, 0));
}
}
return(M3);
}