#11888: Sage is missing the lambert_w function
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Reporter: benjaminfjones
| Owner: burcin
Type: defect
| Status: needs_review
Priority: minor
| Milestone: sage-5.0
Component: symbolics
| Keywords: lambert_w symbolics conversion maxima sd35.5
Work_issues:
| Upstream: N/A
Reviewer: Keshav Kini, Karl-Dieter Crisman, Fredrik Johansson, Burcin
Erocal | Author: Benjamin Jones
Merged:
| Dependencies: #12507
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Changes (by benjaminfjones):
* status: needs_work => needs_review
Comment:
I've posted my latest patch in case anyone wants to play around with
getting integration of `lambert_w` to work.
This issue could be a new ticket. One solution I can see is to add
`lambert_w` to the `special_sage_to_max` dictionary in
`sage/intefaces/maxima_lib.py`. There are a few other special functions
listed there (like `Ei` and `polylog`) that need special conversions to
maxima.
So, I propose that we either:
a. Review patch [attachment:trac_11888_v6.patch] and open a new ticket
for the integration issue
b. Agree on a simple workaround like adding `lambert_w` to
`special_sage_to_max` and I'll add it to the patch.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11888#comment:35>
Sage <http://www.sagemath.org>
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