code: def test_svd_build(self):
      # Ticket 627.
      a = array([[0.0, 1.0], [1.0, 1.0], [2.0, 1.0], [3.0, 1.0]])
      m, n = a.shape
      u, s, vh = linalg.svd(a)
  
      b = dot(transpose(u[:, n:]), a)
  
      assert_array_almost_equal(b, np.zeros((2, 2)))
  
file_path: catboost/contrib/python/numpy/py3/numpy/linalg/tests/test_regression.py
imports: import warnings
  import numpy
  from numpy import linalg, arange, float64, array, dot, transpose
  from numpy.testing import assert_, assert_raises, assert_equal, assert_array_equal, assert_array_almost_equal, assert_array_less
label_desc: Use image node_id 3 for calling the TestRegression obj's underlying member method code with example usage: obj.test_svd_build() without return types