2009/8/28 Henryk Trappmann <[email protected]>:
>
> has Sage the Lambert W function implemented?
> I can not find it.
It does, but via mpmath:
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
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