public Matrix Invert() // Function returns the inverted matrix
{
if (L == null)
{
MakeLU();
}
Matrix inv = new Matrix(rows, cols);
for (int i = 0; i < rows; i++)
{
Matrix Ei = Matrix.ZeroMatrix(rows, 1);
Ei[i, 0] = 1;
Matrix col = SolveWith(Ei);
inv.SetCol(col, i);
}
return(inv);
}
