identity matrix in python numpy code example

Example 1: numpy identity matrix

>>> np.identity(3)
array([[1.,  0.,  0.],
       [0.,  1.,  0.],
       [0.,  0.,  1.]])

Example 2: identity matrix in python

#Change the value 3 to the size of the identity matrix
>>>np.identity(3)
array([[1.,  0.,  0.],
       [0.,  1.,  0.],
       [0.,  0.,  1.]])