[Maxima] Generalized Lambert W function - premature commit
dbmaxima at gmail.com
Tue May 22 08:12:36 CDT 2012
On 22/05/2012 12:20 AM, David Billinghurst wrote:
> I have checked in a fix. It works for gcl under windows. Found
> another problem.
> (%i130) w:generalized_lambert_w(-1,z);
> Maxima encountered a Lisp error:
> Error in SETQ [or a callee]: Zero divisor.
Fixed this one too. The bigfloat guess for the Halley iteration is
generated in floating point. This doesn't work when z is -1/%e to
machine precision. Need to use a bigfloat power series around the
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