logistic curve

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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.
References in periodicals archive ?
Other models that have been applied in batch test are: the Transference Function, Logistic Function and Modified Gompertz.
67, respectively) and the Logistic function as the third one (34.
From the data collected on the percentage of edentulous jaws, projections were made for the years 2020, 2030 and 2040, assuming that edentulism behavior follows a logistic function (15) and that the same trends would continue until 2040.
ADNA baseline value before drug administration against MAP using a sigmoid logistic function [58].
This imposes the need of an activation function and we further chose the logistic function for both, hidden and output layers.
The authors propose a method of determining a model of forecasting crises and economic downturns using the gradient measurement (synthetic measure) and the modified logistic function (log-logistic function--based on logistic law (Kuznets, 1971)) which was tested on the Polish economy.
The logistic function illustrated in equation (3) is of the most common form.
As an example, two models for energy allocation were derived: a step-function and a logistic function.
The transition functions in equation (2), is a logistic function and in equation (3) is exponential function.
ij] here acts as a "setpoint" on the logistic function curve.

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