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32 lines
927 B
32 lines
927 B
1 year ago
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import numpy as np
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from numpy.testing import assert_, assert_equal, assert_raises
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class TestRegression:
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def test_kron_matrix(self):
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# Ticket #71
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x = np.matrix('[1 0; 1 0]')
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assert_equal(type(np.kron(x, x)), type(x))
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def test_matrix_properties(self):
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# Ticket #125
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a = np.matrix([1.0], dtype=float)
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assert_(type(a.real) is np.matrix)
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assert_(type(a.imag) is np.matrix)
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c, d = np.matrix([0.0]).nonzero()
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assert_(type(c) is np.ndarray)
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assert_(type(d) is np.ndarray)
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def test_matrix_multiply_by_1d_vector(self):
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# Ticket #473
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def mul():
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np.mat(np.eye(2))*np.ones(2)
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assert_raises(ValueError, mul)
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def test_matrix_std_argmax(self):
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# Ticket #83
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x = np.asmatrix(np.random.uniform(0, 1, (3, 3)))
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assert_equal(x.std().shape, ())
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assert_equal(x.argmax().shape, ())
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