…When calculating the value of a function, instead of finding the exact value, it is often more convenient to make the calculation easier by appropriately selecting a function with the required accuracy. Functions used for this purpose are called approximation expressions or approximation functions. Therefore, approximation methods and the evaluation of the associated errors become an issue. … *Some of the terminology explanations that mention "approximation functions" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…関数の値を計算する場合,正確な値を求める代りに,必要な精度をもつ関数を適当に選んで計算を容易にするほうが便利なことが多い。この目的のために用いられる関数を近似式,あるいは近似関数という。したがって,近似手法やそれに伴う誤差の評価が問題になる。… ※「近似関数」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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