- logistic equation
- мат. логистическое уравнение
Большой англо-русский и русско-английский словарь. 2001.
logistic equation
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logistic equation — noun (ecology) An equation describing the typical increase of a population towards an asymptotic value • • • Main Entry: ↑logistic … Useful english dictionary
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
Hill equation — The Hill equation is an equation used in biochemical characterization, which should not be confused with the Hill differential equation that is also sometimes referred to as simply the Hill equation or Hill s equation .In biochemistry, the… … Wikipedia
Generalised logistic function — The generalized logistic curve or function, also known as Richards curve is a widely used and flexible sigmoid function for growth modelling, extending the well known logistic curve.:Y = A + { K over (1 + Q e^{ B (t M)}) ^ {1 / u} }where Y =… … Wikipedia
Structural equation modeling — (SEM) is a statistical technique for testing and estimating causal relations using a combination of statistical data and qualitative causal assumptions. This definition of SEM was articulated by the geneticist Sewall Wright (1921),[1] the… … Wikipedia
Maximum sustainable yield — In population ecology and economics, maximum sustainable yield or MSY is, theoretically, the largest yield (or catch) that can be taken from a species stock over an indefinite period. Fundamental to the notion of sustainable harvest, the concept… … Wikipedia
Pierre François Verhulst — (October 28, 1804, Brussels, Belgium ndash; February 15, 1849, Brussels, Belgium) was a mathematician and a doctor in number theory from the University of Ghent in 1825. Verhulst published in 1838 the logistic equation:: frac{dN}{dt} = r N left(1 … Wikipedia
Mathematical constant — A mathematical constant is a special number, usually a real number, that is significantly interesting in some way .[1] Constants arise in many different areas of mathematics, with constants such as e and π occurring in such diverse contexts as… … Wikipedia
Population modeling — is an application of statistical models to the study of changes in populations.Models allow us to better understand how complex interactions and processes work. Modeling of dynamic interactions in nature can provide a manageable way of… … Wikipedia
Transcritical bifurcation — In bifurcation theory, a field within mathematics, a transcritical bifurcation is a particular kind of local bifurcation, meaning that it is characterized by an equilibrium having an eigenvalue whose real part passes through zero. Both before and … Wikipedia
