朗伯W函數(英語:Lambert W function,又稱為歐米加函數或乘積對數),是的反函數,其中是指數函數,是任意複數。對於任何複數,都有: 由於函數不是單射,因此函數是多值的(除了0以外)。如果我們把限制為實數,並要求是實數,那麼函數僅對於有定義,在內是多值的;如果加上的限制,則定義了一個單值函數(見圖)。我們有,。而在內的分支,則記為,從遞減為
WEBGrammarPhobia . Why isn’t a W called a double v? ← Previous Post. Next Post →. Uncover the mystery behind why the letter 'w' is pronounced as double u. Explore its …
WEBAug 21, 2018 · Windows + X is the quick access to important features of Windows 10. In this article, I have summarized them all. If you press the Windows + X key, you will see a …