On the Lambert W function

On the Lambert W function
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DOI:
10.1007/bf02124750
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发表时间:
1996-01-01
影响因子:
1.7
通讯作者:
Knuth, DE
Knuth, DE
中科院分区:
数学4区
文献类型:
--
作者:
Corless, RM;Gonnet, GH;Knuth, DE

文献摘要

被引文献

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Lambert W函数定义为函数W-> We(W)的多值倒数。它在纯数学和应用数学中具有许多应用,其中一些应用在此处进行简要描述。我们对W的复杂分支进行了新的讨论,W的复杂分支是对所有分支有效的渐近扩展,这是评估该函数任意精度的有效数值程序,以及一种符号的表达式整合包含W的方法的方法。
The Lambert W function is defined to be the multivalued inverse of the function w --> we(w). It has many applications in pure and applied mathematics, some of which are briefly described here. We present a new discussion of the complex branches of W, an asymptotic expansion valid for all branches, an efficient numerical procedure for evaluating the function to arbitrary precision, and a method for the symbolic integration of expressions containing W.