- gradient analysis
- градиентный анализ* * *градиентный анализ
English-russian biological dictionary. 2013.
gradient analysis
Смотреть что такое "gradient analysis" в других словарях:
Gradient analysis — is an empirical analytical method used in plant community ecology to relate the abundances of various species in a plant community to various environmental gradients by ordination or by weighted averaging. These gradients are usually variables… … Wikipedia
Gradient well-formedness — is a problem that arises in the analysis of linguistic data, in which a linguistic entity is neither completely grammatical nor completely ungrammatical. A native speaker may judge a word, phrase or pronunciation as not quite right or almost… … Wikipedia
Gradient eines Skalarfeldes — Zwei Skalarfelder dargestellt als Grauschattierung (dunklere Färbung entspricht größerem Funktionswert). Die blauen Pfeile darauf symbolisieren den zugehörigen Gradienten. Der Gradient ist ein mathematischer Operator, genauer ein… … Deutsch Wikipedia
Gradient (Mathematik) — Zwei Skalarfelder dargestellt als Grauschattierung (dunklere Färbung entspricht größerem Funktionswert). Die blauen Pfeile darauf symbolisieren den zugehörigen Gradienten. Der Gradient ist ein mathematischer Operator, genauer ein… … Deutsch Wikipedia
Gradient descent — For the analytical method called steepest descent see Method of steepest descent. Gradient descent is an optimization algorithm. To find a local minimum of a function using gradient descent, one takes steps proportional to the negative of the… … Wikipedia
analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… … Universalium
Detrended correspondence analysis — (DCA) is a multivariate statistical technique widely used by ecologists to find the main factors or gradients in large, species rich but usually sparse data matrices that typify ecological community data. For example, Hill and Gauch (1980, p. 55) … Wikipedia
Detrended Correspondence Analysis — (DCA) is a multivariate statistical technique widely used by ecologists to find the main factors or gradients in large, species rich but usually sparse data matrices that typify ecological community data. For example, Hill and Gauch (1980, p. 55) … Wikipedia
List of numerical analysis topics — This is a list of numerical analysis topics, by Wikipedia page. Contents 1 General 2 Error 3 Elementary and special functions 4 Numerical linear algebra … Wikipedia
Conjugate gradient method — A comparison of the convergence of gradient descent with optimal step size (in green) and conjugate vector (in red) for minimizing a quadratic function associated with a given linear system. Conjugate gradient, assuming exact arithmetic,… … Wikipedia
Temperature gradient gel electrophoresis — (TGGE) and Denaturing Gradient Gel Electrophoresis (DGGE) are forms of electrophoresis which use either a temperature or chemical gradient to denature the sample as it moves across an acrylamide gel. TGGE and DGGE can be applied to nucleic acids… … Wikipedia
