public static double Determinant(GMatrix m)
{
if (m.NumRows == m.NumCols)
{
GaussianElimination.Solve(m.NumRows, m.elements.Vector, null, out double determinant, null, null, null, 0, null);
return(determinant);
}
Debug.Assert(false, "Matrix must be square.");
return(double.NaN);
}
public static GMatrix Inverse(GMatrix m, out bool invertible)
{
invertible = false;
if (m.NumRows == m.NumCols)
{
double[] invM = new double[m.NumRows * m.NumCols];
invertible = GaussianElimination.Solve(m.NumRows, m.elements.Vector, invM, out _, null, null, null, 0, null);
return(new GMatrix(m.NumRows, m.NumCols, invM));
}
Debug.Assert(false, "Matrix must be square.");
return(new GMatrix(0, 0));
}
