// AngouriMath 1.3.0-preview.3

using AngouriMath; using AngouriMath.Extensions; using static System.Console; using static AngouriMath.MathS;

var m = MathS.Matrix(new Entity[,] {{ -1, 0, 3, -3}, {-4, 3, -2, 4}, {3, 0, -4, -5}, {4, -1, -3, -4}});

WriteLine(m.Inverse() * m);