示例#1
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 def test_strictly_proper(self, strictly_proper):
     """Test that the strictly_proper argument returns a correct D."""
     for i in range(100):
         # The probability that drss(..., strictly_proper=False) returns an
         # all zero D 100 times in a row is 0.5**100 = 7.89e-31
         sys = rss(1, 1, 1, strictly_proper=strictly_proper)
         if np.all(sys.D == 0.) == strictly_proper:
             break
     assert np.all(sys.D == 0.) == strictly_proper
示例#2
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def test_latex_repr_testsize(editsdefaults):
    # _repr_latex_ returns None when size > maxsize
    from control import set_defaults

    maxsize = defaults['statesp.latex_maxsize']
    nstates = maxsize // 2
    ninputs = maxsize - nstates
    noutputs = ninputs

    assert nstates > 0
    assert ninputs > 0

    g = rss(nstates, ninputs, noutputs)
    assert isinstance(g._repr_latex_(), str)

    set_defaults('statesp', latex_maxsize=maxsize - 1)
    assert g._repr_latex_() is None

    set_defaults('statesp', latex_maxsize=-1)
    assert g._repr_latex_() is None

    gstatic = ss([], [], [], 1)
    assert gstatic._repr_latex_() is None
示例#3
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 def test_pole(self, states, outputs, inputs):
     """Test that the poles of rss outputs have a negative real part."""
     sys = rss(states, outputs, inputs)
     p = sys.poles()
     for z in p:
         assert z.real < 0
示例#4
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 def test_shape(self, states, outputs, inputs):
     """Test that rss outputs have the right state, input, and output size."""
     sys = rss(states, outputs, inputs)
     assert sys.nstates == states
     assert sys.ninputs == inputs
     assert sys.noutputs == outputs