asymptotics of Lambert W

Question:asymptotics of Lambert W

Posted: edgar 669 Product: Maple

May 30 2011

I'm using Maple 15. It seems to me this worked in some previous version...

Consider the Lambert W function, y=LambertW(0,x) ... I want Maple to tell me the asymptotics for it,

something like this:

$log(x)-log(log(x))+log(log(x))/log(x)$

But I don't get that now. Is my memory faulty that I got it in the past?

Maple 15:

asympt(LambertW(0,x),x);

$asympt(LambertW(0,x),x)$

not very useful...

series(LambertW(0,x),x=infinity);

$LambertW(0,x)$


with(MultiSeries):
series(LambertW(0,x),x=infinity);

$LambertW(0,x)$

---

G A Edgar

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