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Examples

>>> np.eye(4)

array([[ 1., 0., 0., 0.],

[ 0., 1., 0., 0.],

[ 0., 0., 1., 0.],

[ 0., 0., 0., 1.]])

>>> np.eye(4, 5, 1, dtype=int)

array([[0, 1, 0, 0, 0],

[0, 0, 1, 0, 0],

[0, 0, 0, 1, 0],

[0, 0, 0, 0, 1]])

>>> np.eye(4, 5, -1, dtype=int)

array([[0, 0, 0, 0, 0],

[1, 0, 0, 0, 0],

[0, 1, 0, 0, 0],

[0, 0, 1, 0, 0]])

>>>