tf.keras.activations.linear

tf.keras.activations.linear(
    x
)

>>> a = tf.constant([-3.0,-1.0, 0.0,1.0,3.0], dtype = tf.float32)
>>> b = tf.keras.activations.linear(a)
>>> b.numpy()
array([-3., -1.,  0.,  1.,  3.], dtype=float32)