def setUp(self):
num = np.poly([3, 0.3, 1])
den = np.poly([2, 0.5, .25])
H = (num, den)
tstr1 = empty()
(tstr1.form, tstr1.num, tstr1.den) = ('coeff', num, den)
tstr2 = empty()
tstr2.form = 'zp'
(tstr2.zeros, tstr2.poles, tstr2.gain) = tf2zpk(num, den)
z = np.exp(1j * np.linspace(0, 2*np.pi, num=129, endpoint=True))
self.h1 = ds.evalTF(tstr1, z)
self.h2 = ds.evalTF(tstr2, z)
self.h3 = ds.evalTF(H, z)
self.h4 = ds.evalTF(lti(tstr2.zeros, tstr2.poles, tstr2.gain), z)
h5tf = lti(tstr2.zeros, tstr2.poles, tstr2.gain).to_ss()
self.h5 = ds.evalTF((h5tf.A, h5tf.B, h5tf.C, h5tf.D), z)
h6tf = np.vstack((np.hstack((h5tf.A, h5tf.B)),
np.hstack((h5tf.C, np.atleast_2d(h5tf.D)))))
self.h6 = ds.evalTF(h6tf, z)
def setUp(self):
num = np.poly([3, 0.3, 1])
den = np.poly([2, 0.5, .25])
H = (num, den)
tstr1 = empty()
(tstr1.form, tstr1.num, tstr1.den) = ('coeff', num, den)
tstr2 = empty()
tstr2.form = 'zp'
(tstr2.zeros, tstr2.poles, tstr2.gain) = tf2zpk(num, den)
z = np.exp(1j * np.linspace(0, 2*np.pi, num=129, endpoint=True))
self.h1 = ds.evalTF(tstr1, z)
self.h2 = ds.evalTF(tstr2, z)
self.h3 = ds.evalTF(H, z)
self.h4 = ds.evalTF(lti(tstr2.zeros, tstr2.poles, tstr2.gain), z)
h5tf = lti(tstr2.zeros, tstr2.poles, tstr2.gain)
self.h5 = ds.evalTF((h5tf.A, h5tf.B, h5tf.C, h5tf.D), z)
h6tf = np.vstack((np.hstack((h5tf.A, h5tf.B)),
np.hstack((h5tf.C, np.atleast_2d(h5tf.D)))))
self.h6 = ds.evalTF(h6tf, z)
def test_evalTF_sixth(self):
"""Test unknown forms error"""
with self.assertRaises(TypeError):
ds.evalTF(empty(), [1, 2, 3])
def test_evalTF_sixth(self):
"""Test unknown forms error"""
ds.evalTF(empty(), [1, 2, 3])
def test_evalTF_sixth(self):
"""Test unknown forms error"""
ds.evalTF(empty(), [1, 2, 3])