Exemple #1
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 def test_defective2(self):
     a = array(([29.2, -24.2, 69.5, 49.8,
                 7.0], [-9.2, 5.2, -18.0, -16.8,
                        -2.0], [-10.0, 6.0, -20.0, -18.0,
                                -2.0], [-9.6, 9.6, -25.5, -15.4,
                                        -2.0], [9.8, -4.8, 18.0, 18.2,
                                                2.0]))
     signm(a, disp=False)
Exemple #2
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 def test_defective3(self):
     a = array([[-2., 25., 0., 0., 0., 0., 0.],
                [0., -3., 10., 3., 3., 3.,
                 0.], [0., 0., 2., 15., 3., 3., 0.],
                [0., 0., 0., 0., 15., 3.,
                 0.], [0., 0., 0., 0., 3., 10., 0.],
                [0., 0., 0., 0., 0., -2., 25.],
                [0., 0., 0., 0., 0., 0., -3.]])
     signm(a, disp=False)
 def test_defective2(self):
     a = array((
         [29.2,-24.2,69.5,49.8,7.0],
         [-9.2,5.2,-18.0,-16.8,-2.0],
         [-10.0,6.0,-20.0,-18.0,-2.0],
         [-9.6,9.6,-25.5,-15.4,-2.0],
         [9.8,-4.8,18.0,18.2,2.0]))
     r = signm(a, disp=False)
 def test_defective3(self):
     a = array([[-2., 25., 0., 0., 0., 0., 0.],
                [0., -3., 10., 3., 3., 3., 0.],
                [0., 0., 2., 15., 3., 3., 0.],
                [0., 0., 0., 0., 15., 3., 0.],
                [0., 0., 0., 0., 3., 10., 0.],
                [0., 0., 0., 0., 0., -2., 25.],
                [0., 0., 0., 0., 0., 0., -3.]])
     r = signm(a, disp=False)
 def test_defective3(self):
     a = array([[ -2.,  25.,   0.,   0.,   0.,   0.,   0.],
                [  0.,  -3.,  10.,   3.,   3.,   3.,   0.],
                [  0.,   0.,   2.,  15.,   3.,   3.,   0.],
                [  0.,   0.,   0.,   0.,  15.,   3.,   0.],
                [  0.,   0.,   0.,   0.,   3.,  10.,   0.],
                [  0.,   0.,   0.,   0.,   0.,  -2.,  25.],
                [  0.,   0.,   0.,   0.,   0.,   0.,  -3.]])
     r = signm(a)
Exemple #6
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    def test_matrix_sign(self):
        @tf.function
        def fun(tensor):
            return matrix_sign(tensor, tf.constant(100), tf.constant(1e-6))[0]

        theoretical, numerical = tf.test.compute_gradient(fun, [self.tensor],
                                                          delta=1e-2)
        self.assertAllClose(theoretical[0], numerical[0], atol=1e-2)
        sc_sign = linalg.signm(self.tensor[0].numpy())
        tf_sign = fun(self.tensor)[0].numpy()
        self.assertAllClose(sc_sign, tf_sign, atol=1e-6)
Exemple #7
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 def test_nils(self):
     a = array([[29.2, -24.2, 69.5, 49.8, 7.],
                [-9.2, 5.2, -18., -16.8, -2.], [-10., 6., -20., -18., -2.],
                [-9.6, 9.6, -25.5, -15.4, -2.], [9.8, -4.8, 18., 18.2, 2.]])
     cr = array(
         [[11.94933333, -2.24533333, 15.31733333, 21.65333333, -2.24533333],
          [-3.84266667, 0.49866667, -4.59066667, -7.18666667, 0.49866667],
          [-4.08, 0.56, -4.92, -7.6, 0.56],
          [-4.03466667, 1.04266667, -5.59866667, -7.02666667, 1.04266667],
          [4.15733333, -0.50133333, 4.90933333, 7.81333333, -0.50133333]])
     r = signm(a)
     assert_array_almost_equal(r, cr)
 def test_nils(self):
     a = array([[29.2, -24.2, 69.5, 49.8, 7.],
                [-9.2, 5.2, -18., -16.8, -2.],
                [-10., 6., -20., -18., -2.],
                [-9.6, 9.6, -25.5, -15.4, -2.],
                [9.8, -4.8, 18., 18.2, 2.]])
     cr = array([[11.94933333,-2.24533333,15.31733333,21.65333333,-2.24533333],
                 [-3.84266667,0.49866667,-4.59066667,-7.18666667,0.49866667],
                 [-4.08,0.56,-4.92,-7.6,0.56],
                 [-4.03466667,1.04266667,-5.59866667,-7.02666667,1.04266667],
                 [4.15733333,-0.50133333,4.90933333,7.81333333,-0.50133333]])
     r = signm(a)
     assert_array_almost_equal(r,cr)
Exemple #9
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 def test_defective3(self):
     a = array(
         [
             [-2.0, 25.0, 0.0, 0.0, 0.0, 0.0, 0.0],
             [0.0, -3.0, 10.0, 3.0, 3.0, 3.0, 0.0],
             [0.0, 0.0, 2.0, 15.0, 3.0, 3.0, 0.0],
             [0.0, 0.0, 0.0, 0.0, 15.0, 3.0, 0.0],
             [0.0, 0.0, 0.0, 0.0, 3.0, 10.0, 0.0],
             [0.0, 0.0, 0.0, 0.0, 0.0, -2.0, 25.0],
             [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -3.0],
         ]
     )
     r = signm(a, disp=False)
 def test_defective1(self):
     a = array([[0.0,1,0,0],[1,0,1,0],[0,0,0,1],[0,0,1,0]])
     r = signm(a, disp=False)
 def test_defective1(self):
     a = array([[0.0,1,0,0],[1,0,1,0],[0,0,0,1],[0,0,1,0]])
     r = signm(a, disp=False)