static void Main(string[] args)
{
double[,] values = new double[, ] {
{ 2, 1, 1, 2 }, { 1, -1, 0, -2 }, { 3, -1, 2, 2 }
};
Matrix matrix = new Matrix(values);
Console.WriteLine(matrix);
Console.WriteLine(matrix.GetMinor(1, 2));
Console.WriteLine(matrix.ReductionTriangularMatrix());
Console.ReadKey();
}
