Mathematics - Sigmoid Function (S shape)

Data System Architecture


A sigmoid function is a mathematical function having an “S” shape (sigmoid curve).

Often, sigmoid function refers to the logit function

Documentation / Reference

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0 0.5 1−6−4−2 0 2 4 6
Function - Natural Logistic (ln)

S Shape curve ln(1) = 0 Logistic function
Thomas Bayes
Statistics - (Logit|Logistic) (Function|Transformation)

The logit transform is a S-shaped curve that applies a softer function. It's a soft function of a step function: Never below 0, never above 1 and a smooth transition in between. where: ...

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