2009/8/28 William Stein <[email protected]>:
> 2009/8/28 Henryk Trappmann <[email protected]>:
>>
>> has Sage the Lambert W function implemented?
>> I can not find it.
>
> It does, but via mpmath:
By the way, do
sage: import mpmath
first.
>
> sage: mpmath.lambertw(10)
> mpf('1.7455280027406994')
> sage: import mpmath
> sage: mpmath.lambertw(complex(2,3))
> mpc(real='1.0900765344857908', imag='0.53013972077483884')
> sage: mpmath.lambertw?
> pages and pages of examples and docs!
>
> William
>
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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