英语词汇“logistic curve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	logistic curve
释义	logistic curve logistic curve [lə′jis·tik ′kərv] (statistics) A type of growth curve, representing the size of a population y as a function of time t : y = k/ (1 + e ^-kbt), where k and b are positive constants. Also known as Pearl-Reed curve. More generally, a curve representing a function of the form y = k/ (1 + e ^{cf (t)}), where c is a constant and ƒ(t) is some function of time. logistic curve lo·gis·tic curve an S-shaped curve that depicts the growth of a population in an area of fixed limits. logistic curve an S-shaped curve of numbers against time that represents the growth in numbers of a population of organisms in a limited environment. see GROWTH CURVE.
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logistic curve