tf.keras.activations.serialize

Returns the string identifier of an activation function.

tf.keras.activations.serialize(
    activation, use_legacy_format=False
)

Args
activation	Function object.
use_legacy_format	Boolean, whether to use the legacy format for serialization. Defaults to False.

Returns
String denoting the name attribute of the input function

Example:

tf.keras.activations.serialize(tf.keras.activations.tanh)
'tanh'
tf.keras.activations.serialize(tf.keras.activations.sigmoid)
'sigmoid'
tf.keras.activations.serialize('abcd')
Traceback (most recent call last):

ValueError: Unknown activation function 'abcd' cannot be serialized.

Raises
ValueError	The input function is not a valid one.