Last Updated
：2025/12/04
sigmoid function
Noun
Japanese Meaning
数学解析や統計学において、グラフがS字形（シグモイド状）を示す実数関数の総称です。特にロジスティック関数（y = e^x/(e^x + 1) や y = 1/(1 + e^(-x))）が例として挙げられます。
（ plural ）
Quizzes for review
(mathematical analysis, statistics) Any of various real functions whose graph resembles an elongated letter S
; specifically, the logistic function y=(eˣ)/(eˣ+1)=1/(1+e⁻ˣ).
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sigmoid function
Researchers fitted a sigmoid function to the biological response data to model the gradual saturation effect.
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Researchers fitted a sigmoid function to the biological response data to model the gradual saturation effect.
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