Logistic Function

A logistic function or logistic curve is a common "S" shape (sigmoid curve), with equation:

{\displaystyle f(x)={\frac {L}{1+e^{-k(x-x_{0})}}}}

where

  • e = the natural logarithm base (also known as Euler's number),

  • x0 = the x-value of the sigmoid's midpoint,

  • L = the curve's maximum value, and

  • k = the steepness of the curve.

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