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							- import numpy as np
 
- from numpy.testing import assert_equal
 
- class TestDot:
 
-     def test_matscalar(self):
 
-         b1 = np.matrix(np.ones((3, 3), dtype=complex))
 
-         assert_equal(b1*1.0, b1)
 
- def test_diagonal():
 
-     b1 = np.matrix([[1,2],[3,4]])
 
-     diag_b1 = np.matrix([[1, 4]])
 
-     array_b1 = np.array([1, 4])
 
-     assert_equal(b1.diagonal(), diag_b1)
 
-     assert_equal(np.diagonal(b1), array_b1)
 
-     assert_equal(np.diag(b1), array_b1)
 
 
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