def test_newtons_method_junk():
try:
result = opt.do_newtons_method("junk",
opt.example_scalar,
tol=1e-8,
verbose=0)
except TypeError:
print("Caught error as expected")
def test_newtons_method_scalar_maxedout():
result = opt.do_newtons_method(1.1,
opt.example_scalar,
tol=1e-8,
max_iter=6,
verbose=0)
np.testing.assert_almost_equal(
result, 0), "Newton's method for the scalar case failed"
def test_newtons_method_vector_verbose():
w0 = np.array([1, 0])
result = opt.do_newtons_method(w0,
opt.example_multivariate,
tol=1e-8,
verbose=1)
np.testing.assert_almost_equal(
result,
[10.7337749, -9.6865773]), "Newton's method for the vector case failed"
def test_newtons_method_scalar_verbose():
result = opt.do_newtons_method(1, opt.example_scalar, tol=1e-8, verbose=1)
np.testing.assert_almost_equal(
result, 0), "Newton's method for the scalar case failed"