BiPolar Sigmoid

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#Artificial Neuron #Neural Network #Basics #Activation Function

A BiPolar sigmoid function is

$$ \sigma(x) = \frac{1-e^{-x}}{1+e^{-x}}. $$

Visualization

Bipolar Sigmoid

Planted: by ;

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L Ma (2018). 'BiPolar Sigmoid', Datumorphism, 11 April. Available at: https://datumorphism.leima.is/cards/machine-learning/neural-networks/activation-bi-polar-sigmoid/.