Method assert_PD

python/pymesh/tests/test_assembler.py:25–27

(self, A)

        self.assertAlmostEqual(0.0, scipy.sparse.linalg.norm(A - A.T))

    def assert_PD(self, A):
        eig_values, eig_vectors = scipy.sparse.linalg.eigsh(A, 1, which="SM")
        self.assertLess(0.0, eig_values[0])

    def assert_PSD(self, A):
        eig_values, eig_vectors = scipy.sparse.linalg.eigsh(A, 1, which="SA")