Python _eig_inv Examples

Example #1

File: test_lcmv.py Project: sinodanishspain/mne-python

def test_eig_inv():
    """Test matrix pseudoinversion with setting smallest eigenvalue to zero."""
    # create rank-deficient array
    a = np.array([[1., 0., 1.], [0., 1., 0.], [1., 0., 1.]])

    # test inversion
    a_inv = np.linalg.pinv(a)
    a_inv_eig = _eig_inv(a, 2)

    assert_almost_equal(a_inv, a_inv_eig)

Example #2

File: test_lcmv.py Project: SherazKhan/mne-python

def test_eig_inv():
    """Test matrix pseudoinversion with setting smallest eigenvalue to zero."""
    # create rank-deficient array
    a = np.array([[1., 0., 1.], [0., 1., 0.], [1., 0., 1.]])

    # test inversion
    a_inv = np.linalg.pinv(a)
    a_inv_eig = _eig_inv(a, 2)

    assert_almost_equal(a_inv, a_inv_eig)