#7357: Add non-offset logarithmic integral, Li
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Reporter: myurko | Owner: burcin
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-4.7.2
Component: calculus | Keywords: beginner
Work_issues: | Upstream: N/A
Reviewer: Karl-Dieter Crisman | Author: Michael Yurko
Merged: | Dependencies:
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Comment(by benjaminfjones):
Yes, this would duplicate work done in #11143. The function added there is
a fully symbolic function with numerical evaluation handled by mpmath. I
think that is superior to the one defined here which is just a wrapper for
the mpmath call.
The function added in #11143 is really a class called
``Function_exp_integral_li`` and it has an alias ``exp_integral_li`` to
match the other exponential integrals. #11143 also moves all the
exponential integrals to a new module under sage/functions so this would
conflict with that design decision too.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7357#comment:8>
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