File:Inverse_Function.png · Wikimedia Commons · See Wikimedia Commons
Also known as inverse mapping
y=f(x)とx=f(y)のような関係にある関数
AI overview
An inverse function reverses what another function does: if a function turns an input into an output, its inverse function turns that output back into the original input. Inverse functions are useful because they let you undo a mathematical operation and recover the starting value from the result.
AI-generated from the Wikipedia summary — may contain errors.
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Article · 日本語
数学における逆写像（ぎゃくしゃぞう、英: inverse mapping）は一口に言えば写像の与える元の対応関係を「反対」にして得られる写像である。すなわち、写像 f が x を y に写すならば、f の逆写像は y を x に写し戻す。 函数と呼ばれる種類の写像の逆写像は、逆函数 (inverse function) と呼ばれる。
Abstract from DBpedia / Wikipedia · CC BY-SA
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