public Matrix getL()
{
Matrix X = new Matrix(m, n);
double[][] L = X.getArray();
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
if (i > j)
{
L[i][j] = LU[i][j];
}
else if (i == j)
{
L[i][j] = 1.0;
}
else
{
L[i][j] = 0.0;
}
}
}
return X;
}