A sigmoid function is any mathematical function whose graph has a characteristic S-shaped or sigmoid curve. A common example of a sigmoid function is the logistic function, which is …

May 22, 2025 · The sigmoid function, also called the sigmoidal curve (von Seggern 2007, p. 148) or logistic function, is the function y=1/(1+e^(-x)). (1) It has derivative (dy)/(dx) = [1-y(x)]y(x) (2) …

The meaning of SIGMOID is curved like the letter C. How to use sigmoid in a sentence. Did you know?

sigmoid function, mathematical function that graphs as a distinctive S-shaped curve. The mathematical representation of the sigmoid function is an exponential equation of the form σ( …

Aug 30, 2016 · Why is the sigmoid curve called sigmoid? Ask Question Asked 8 years, 9 months ago. Modified 7 years, 2 months ago. Viewed 404 times 5 $\begingroup$ What is the history …

Apr 10, 2025 · sigmoid (comparative more sigmoid, superlative most sigmoid) Semi-circular, like the uncial or lunate sigma (similar to English C). Curved in two directions, like the letter "S", or …

The sigmoid function, also known as the logistic function, is a mathematical function that takes on an S-shaped curve. It is widely used in various fields, including machine learning, biology, and …

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SIGMOID meaning: 1. shaped like the letter S: 2. relating to the sigmoid (= an S-shaped part at the end of the…. Learn more.

Define sigmoid. sigmoid synonyms, sigmoid pronunciation, sigmoid translation, English dictionary definition of sigmoid. also sig·moi·dal adj. 1. Having the shape of the letter S. 2. Of or relating …