…(1) It is used in various different meanings in the field of mathematics. When we take a positive number a and consider its power a x , x is called the power exponent, or simply the exponent. In the field of algebra, for example, when there is a subgroup H of a group G , the number of its left or right cosets is called the index of H. … *Some terminology explanations that mention "exponent" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(1)数学の分野で種々の異なった意味で用いられる。正数aをとり,そのx乗axを考えるとき,xのことをべき指数power exponent,または単に指数exponentと呼ぶ。代数学の分野では,例えば群Gの部分群Hがあるとき,その左または右剰余類の個数をHの指数indexという。… ※「exponent」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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