k_hard_sigmoid
Segment-wise linear approximation of sigmoid.
Description
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
.
Usage
k_hard_sigmoid(x)
Arguments
Arguments | Description |
---|---|
x | A tensor or variable. |
Section
Keras Backend
This function is part of a set of Keras backend functions that enable lower level access to the core operations of the backend tensor engine (e.g. TensorFlow, CNTK, Theano, etc.). You can see a list of all available backend functions here: https://keras.rstudio.com/articles/backend.html#backend-functions.
Value
A tensor.