ray.rllib.utils.numpy.sigmoid#

ray.rllib.utils.numpy.sigmoid(x: numpy.ndarray, derivative: bool = False) → numpy.ndarray[source]#

Returns the sigmoid function applied to x. Alternatively, can return the derivative or the sigmoid function.

Parameters:

  • x – The input to the sigmoid function.

  • derivative – Whether to return the derivative or not. Default: False.

Returns:

The sigmoid function (or its derivative) applied to x.