logistic growth

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• logistic growth — The logistic curve y = k/(1 ea+bx), with b < 0, has an S type form of slow (linear) growth, followed by exponential growth which slows to a stable level. Most physical and social growth follows this pattern, including industrial growth,… …   Dictionary of sociology

• Growth — refers to an increase in some quantity over time. The quantity can be physical (e.g., growth in height, growth in an amount of money) or abstract (e.g., a system becoming more complex, an organism becoming more mature). It can also refer to the… …   Wikipedia

• logistic curve — Growth of a population with time as described by a sigmoid curve; begins slowly, increases rapidly, and grows slowly or not at all as the population fills available sites …   Dictionary of invertebrate zoology

• Logistic function — A logistic function or logistic curve is the most common sigmoid curve. It modelsthe S curve of growth of some set P . The initial stage of growth is approximately exponential; then, as saturation begins, the growth slows, and at maturity, growth …   Wikipedia

• Logistic map — The logistic map is a polynomial mapping of degree 2, often cited as an archetypal example of how complex, chaotic behaviour can arise from very simple non linear dynamical equations. The map was popularized in a seminal 1976 paper by the… …   Wikipedia

• logistic curve — noun : a curve representing a function involving an exponential and shaped like the letter S a mass of data on growth of subhuman and human populations, of the number of governmental functions, growth of production, inventions, state laws and so… …   Useful english dictionary

• logistic curve — noun an S shaped curve that models the growth of many ecosystems See Also: logistic function …   Wiktionary

• logistic curve — an S shaped curve that describes population growth under limiting conditions as a function of time; when the population is low, growth begins slowly, then becomes rapid and increases exponentially, finally slowing down and reaching equilibrium as …   Medical dictionary

• logistic curve — noun Date: 1928 an S shaped curve that represents an exponential function and is used in mathematical models of growth processes …   New Collegiate Dictionary

• logistic curve — Math. a curve, shaped like a letter S, defined as an exponential function and used to model various forms of growth. [1900 05] * * * …   Universalium

• Malthusian growth model — The Malthusian growth model, sometimes called the simple exponential growth model, is essentially exponential growth based on a constant rate of compound interest. The model is named after the Reverend Thomas Malthus, who authored An Essay on the …   Wikipedia