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Cauchy product : ウィキペディア英語版 | Cauchy product In mathematics, more specifically in mathematical analysis, the Cauchy product is the discrete convolution of two infinite series. It is named after the French mathematician Augustin Louis Cauchy. ==Definitions==
The Cauchy product may apply to infinite series〔.〕〔.〕〔.〕〔.〕〔.〕〔.〕〔.〕〔.〕〔.〕〔.〕〔.〕 or power series.〔.〕〔.〕 When people apply it to finite sequences〔.〕 or finite series, it is by abuse of language: they actually refer to discrete convolution. Convergence issues are discussed in the next section.
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「Cauchy product」の詳細全文を読む
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