Question: 4.7 ( ) www Show that the logistic sigmoid function (4.59) satisfies the property (a) = 1 (a) and that its inverse is

4.7 ( ) www Show that the logistic sigmoid function (4.59) satisfies the property

σ(−a) = 1 − σ

(a) and that its inverse is given by σ−1(y) = ln{y/(1 − y)}.

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