def test_arccosh_n1(self): x = 2.345 a = nthderiv.arccosh(x, n=1) b = 1 / np.sqrt(x * x - 1) assert_allclose(a, b)
def test_arccosh_n1(self): x = 2.345 a = nthderiv.arccosh(x, n=1) b = 1 / np.sqrt(x*x - 1) assert_allclose(a, b)
def test_arccosh_n0(self): x = 2.345 a = nthderiv.arccosh(x, n=0) b = np.arccosh(x) assert_allclose(a, b)