tf.keras.backend.hard_sigmoid
View source on GitHub |
Segment-wise linear approximation of 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
.
Arguments | |
---|---|
x | A tensor or variable. |
Returns | |
---|---|
A tensor. |
© 2020 The TensorFlow Authors. All rights reserved.
Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/keras/backend/hard_sigmoid