reservoirpy.activationsfunc.tanh

reservoirpy.activationsfunc.tanh(x)

Hyperbolic tangent activation function.

\[f(x) = \frac{e^x - e^{-x}}{e^x + e^{-x}}\]

Parameters:

x (array) – Input array.

Returns:

Activated vector.

Return type:

array