View source on GitHub |
Softplus activation function.
tf.keras.ops.softplus(
x
)
It is defined as f(x) = log(exp(x) + 1)
, where log
is the natural
logarithm and exp
is the exponential function.
Args | |
---|---|
x
|
Input tensor. |
Returns | |
---|---|
A tensor with the same shape as x .
|
Example:
x = keras.ops.convert_to_tensor([-0.555, 0.0, 0.555])
keras.ops.softplus(x)
array([0.45366603, 0.6931472, 1.008666], dtype=float32)