public void JaggedDeterminantTest() { double[,] value = { { 2, 3, 0 }, { -1, 2, 1 }, { 0, -1, 3 } }; var lu = new JaggedLuDecomposition(value.ToJagged()); Assert.AreEqual(23, lu.Determinant); Assert.IsTrue(lu.Nonsingular); }