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Pseudo-zero set : ウィキペディア英語版 | Pseudo-zero set
In complex analysis, the pseudo-zero set or root neighborhood of a degree-''m'' polynomial ''p''(''z'') is the set of all complex numbers that are roots of polynomials whose coefficients differ from ''p'''s by a small amount. Namely, given a norm |·| on , the pseudo-zero set is the set of all zeros of degree-''m'' polynomials ''q'' such that |''p''-''q''| (as vectors) is less than a given ''ε''. ==References==
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pseudo-zero set」の詳細全文を読む
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