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Rectified linear unit.
tf.keras.backend.relu( x, alpha=0.0, max_value=None, threshold=0 )
With default values, it returns element-wise max(x, 0)
.
Otherwise, it follows: f(x) = max_value
for x >= max_value
, f(x) = x
for threshold <= x < max_value
, f(x) = alpha * (x - threshold)
otherwise.
Arguments | |
---|---|
x | A tensor or variable. |
alpha | A scalar, slope of negative section (default=0. ). |
max_value | float. Saturation threshold. |
threshold | float. Threshold value for thresholded activation. |
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/r1.15/api_docs/python/tf/keras/backend/relu