- invariant function
- 不变函数
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
invariant function
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Invariant theory — is a branch of abstract algebra that studies actions of groups on algebraic varieties from the point of view of their effect on functions. Classically, the theory dealt with the question of explicit description of polynomial functions that do not … Wikipedia
Invariant — In*va ri*ant, n. (Math.) An invariable quantity; specifically, a function of the coefficients of one or more forms, which remains unaltered, when these undergo suitable linear transformations. J. J. Sylvester. [1913 Webster] … The Collaborative International Dictionary of English
invariant — ► ADJECTIVE ▪ never changing. ► NOUN Mathematics ▪ a function which remains unchanged when a specified transformation is applied. DERIVATIVES invariance noun … English terms dictionary
Invariant estimator — In statistics, the concept of being an invariant estimator is a criterion that can be used to compare the properties of different estimators for the same quantity. It is a way of formalising the idea that an estimator should have certain… … Wikipedia
Invariant (mathematics) — In mathematics, an invariant is a property of a class of mathematical objects that remains unchanged when transformations of a certain type are applied to the objects. The particular class of objects and type of transformations are usually… … Wikipedia
Invariant measure — In mathematics, an invariant measure is a measure that is preserved by some function. Invariant measures are of great interest in the study of dynamical systems. The Krylov Bogolyubov theorem proves the existence of invariant measures under… … Wikipedia
Function (mathematics) — f(x) redirects here. For the band, see f(x) (band). Graph of example function, In mathematics, a function associates one quantity, the a … Wikipedia
invariant — 1. adjective a) not varying; constant b) Unaffected by a specified operation (especially by a transformation) Syn: invariable See Also: invariance … Wiktionary
invariant — adjective never changing. noun Mathematics a function which remains unchanged when a specified transformation is applied. Derivatives invariance noun … English new terms dictionary
invariant — adj. & n. adj. invariable. n. Math. a function which remains unchanged when a specified transformation is applied. Derivatives: invariance n … Useful english dictionary
Scale-invariant feature transform — Feature detection Output of a typical corner detection algorithm … Wikipedia
