def test_logistic_inflections(self):
logistic_inflections = inflections(
'logistic', coefficients[:3],
logistic_derivatives_object['second']['evaluation'], precision)
self.assertEqual(logistic_inflections, [5])
def test_sinusoidal_inflections(self):
sinusoidal_inflections = inflections(
'sinusoidal', coefficients[:3],
sinusoidal_derivatives_object['second']['evaluation'], precision)
self.assertEqual(sinusoidal_inflections,
[5, 6.0472, 7.0944, 8.1416, 9.1888, '5 + 1.0472k'])
def test_exponential_inflections(self):
exponential_inflections = inflections(
'exponential', coefficients[:2],
exponential_derivatives_object['second']['evaluation'], precision)
self.assertEqual(exponential_inflections, [None])
def test_hyperbolic_inflections(self):
hyperbolic_inflections = inflections(
'hyperbolic', coefficients[:2],
hyperbolic_derivatives_object['second']['evaluation'], precision)
self.assertEqual(hyperbolic_inflections, [None])
def test_cubic_inflections(self):
cubic_inflections = inflections(
'cubic', coefficients,
cubic_derivatives_object['second']['evaluation'], precision)
self.assertEqual(cubic_inflections, [-0.5])
def test_quadratic_inflections(self):
quadratic_inflections = inflections(
'quadratic', coefficients[:3],
quadratic_derivatives_object['second']['evaluation'], precision)
self.assertEqual(quadratic_inflections, [None])
def test_linear_inflections(self):
linear_inflections = inflections(
'linear', coefficients[:2],
linear_derivatives_object['second']['evaluation'], precision)
self.assertEqual(linear_inflections, [None])