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Encyclopedia > Characteristic Look up Characteristic in
Wiktionary, the free dictionary.

Characteristic has several meanings: Wikipedia does not have an article with this exact name. ... Wiktionary is a Wikimedia Foundation project intended to be a free wiki dictionary (hence: Wiktionary) (including thesaurus and lexicon) in every language. ...

Mathematics
Or
• characteristic (genetics).

Characteristic is also sometimes used as a piece of jargon in discussions of universals in metaphysics, often in the phrase 'distinguishing characteristics'. In mathematics, the characteristic of a ring R with identity element 1R is defined to be the smallest positive integer n such that n1R = 0, where n1R is defined as 1R + ... + 1R with n summands. ... Some mathematicians use the phrase characteristic function synonymously with indicator function. ... In mathematics, a characteristic subgroup of a group G is a subgroup H that is invariant under each automorphism of G. That is, if Ï† : G â†’ G is a group automorphism (a bijective homomorphism from the group G to itself), then for every x in H we have Ï†(x) âˆˆ H: It... It has been suggested that Vertex/Face/Edge relation in a convex polyhedron be merged into this article or section. ... In mathematics, the method of characteristics is a technique for solving partial differential equations. ... Universals (used as a noun) are either properties, relations, or types, but not classes. ... Plato and Aristotle, by Raphael (Stanza della Segnatura, Rome). ...

• An I-V or current-voltage characteristic is the current in a circuit as a function of the applied voltage
• The characteristic is also the distinguishing flash pattern of a lighthouse meant to be seen at night.

A current-voltage characteristic is a chart showing the relationship between the DC current through an electronic device and the DC voltage across its terminals. ... A light characteristic is a coded description displayed on a nautical chart under the chart symbol for a lighthouse, lightvessel or sea mark with a light on it, to indicate how that light is recognised visually and audibly. ... Results from FactBites:

 The Estimates of the Characteristic Function of the Probability Distribution for Rainfall in San Jose, California (960 words) As explained in the reading on characteristic functions the characteristic function for a distribution is the expected value of exp(izω). The computation of the components of the characteristic function is based upon the midpoints of the ranges for the histogram. The maximum value for which the estimates of the characteristic function based upon the midpoints of the intervals used is probably lower than 16 as was assumed.
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