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Polynomial code : ウィキペディア英語版
Polynomial code
In coding theory, a polynomial code is a type of linear code whose set of valid code words consists of those polynomials (usually of some fixed length) that are divisible by a given fixed polynomial (of shorter length, called the ''generator polynomial'').
== Definition ==

Fix a finite field GF(q), whose elements we call ''symbols''. For the purposes of constructing polynomial codes, we identify a string of n symbols a_\ldots a_0 with the polynomial
:a_x^ + \cdots + a_1x + a_0.\,
Fix integers m \leq n and let g(x) be some fixed polynomial of degree m, called the ''generator polynomial''. The ''polynomial code generated by g(x)'' is the code whose code words are precisely the polynomials of degree less than n that are divisible (without remainder) by g(x).

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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