tf.keras.backend.hard_sigmoid

TensorFlow 2 version View source on GitHub

Segment-wise linear approximation of sigmoid.

Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.keras.backend.hard_sigmoid, `tf.compat.v2.keras.backend.hard_sigmoid`

 
tf.keras.backend.hard_sigmoid(
    x
)

Faster than sigmoid. Returns 0. if x < -2.5, 1. if x > 2.5. In -2.5 <= x <= 2.5, returns 0.2 * x + 0.5.

x A tensor or variable.

A tensor.