def test_properties(self):
# Test setters/getters for cross class properties.
# This implicitly tests to_ss() and to_zpk()
# Getters
s = TransferFunction([1, 0], [1, -1], dt=0.05)
assert_equal(s.poles, [1])
assert_equal(s.zeros, [0])
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
assert_equal(s.gain, 1)
assert_equal(s.A, 1)
assert_equal(s.B, 1)
assert_equal(s.C, 1)
assert_equal(s.D, 1)
# state space setters
s2 = TransferFunction([2, 3], [4, 5], dt=0.05)
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
s2.A = 1
s2.B = 1
s2.C = 1
s2.D = 1
self._compare_systems(s, s2)
# zpk setters
s2 = TransferFunction([2, 3], [4, 5], dt=0.05)
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
s2.poles = 1
s2.zeros = 0
s2.gain = 1
self._compare_systems(s, s2)
def test_properties(self):
# Test setters/getters for cross class properties.
# This implicitly tests to_ss() and to_zpk()
# Getters
s = TransferFunction([1, 0], [1, -1], dt=0.05)
assert_equal(s.poles, [1])
assert_equal(s.zeros, [0])
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
assert_equal(s.gain, 1)
assert_equal(s.A, 1)
assert_equal(s.B, 1)
assert_equal(s.C, 1)
assert_equal(s.D, 1)
# state space setters
s2 = TransferFunction([2, 3], [4, 5], dt=0.05)
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
s2.A = 1
s2.B = 1
s2.C = 1
s2.D = 1
self._compare_systems(s, s2)
# zpk setters
s2 = TransferFunction([2, 3], [4, 5], dt=0.05)
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
s2.poles = 1
s2.zeros = 0
s2.gain = 1
self._compare_systems(s, s2)