#11143: Add various Maxima special functions to symbol table
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Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone:
Component: symbolics | Keywords: ei Ei
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by benjaminfjones):
I've uploaded a first shot at a template for the functions we want to add
in this ticket. The patch exposes the general complex exponential integral
function `En` also called `Function_exp_integral_En` by adding a class to
`sage/functions/special.py` (I can change where it goes later on if needed
/ desired). Numerical evaluation is handled by mpmath and symbolics are
handled by Sage (e.g. the derivative) and Maxima (e.g. the
antiderivative).
One of the docstring examples shows that the integral of `e^(-x) *
log(x+1)` from the ticket description is now evaluated properly.
Any comments or suggestions?
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11143#comment:10>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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