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tf.keras.backend.hard_sigmoid

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Segment-wise linear approximation of sigmoid.

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.

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Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r2.3/api_docs/python/tf/keras/backend/hard_sigmoid