def test_51e(self):
logger.debug("RUNNING 5.1E")
x0 = np.array([1.0, 0])
maxit = 8
run_line_search = False
result = undertest.pure_newton(x0, self.my_func, self.my_jacobian, self.merit_fn, maxit,
self.ftol, run_line_search)
self.assertFalse(np.all(result == self.zero) and np.all(result == self.other_zero))
def test_51f(self):
logger.debug("RUNNING 5.1F")
x0 = np.array([1.0, 0])
maxit = 8
run_line_search = True
result = undertest.pure_newton(x0, self.my_func, self.my_jacobian, self.merit_fn, maxit,
self.ftol, run_line_search)
tst.assert_array_almost_equal(result, self.zero, decimal=4)
def test_51b(self):
logger.debug("RUNNING 5.1B")
x0 = np.array([1.0, -1])
maxit = 12
run_line_search = True
result = undertest.pure_newton(x0, self.my_func, self.my_jacobian, self.merit_fn, maxit,
self.ftol, run_line_search)
logger.debug("5.1B yields root == {0}".format(result))
tst.assert_array_almost_equal(result, self.other_zero, decimal=4)
