#8459: broken translatin of polylog from Maxima
----------------------------+-----------------------------------------------
Reporter: robert.marik | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone:
Component: symbolics | Keywords: symbolics
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
----------------------------+-----------------------------------------------
Maixma's li[2](x) translates to polylog2(x) which is not defined in Sage
{{{
sage: maxima('li[1](x)').sage().subs(x=2).n()
-3.14159265358979*I
sage: maxima('li[2](x)').sage().subs(x=2).n()
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/opt/sage-4.3.3-i686-Linux/<ipython console> in <module>()
/opt/sage/local/lib/python2.6/site-packages/sage/symbolic/expression.so in
sage.symbolic.expression.Expression.n
(sage/symbolic/expression.cpp:17036)()
TypeError: cannot evaluate symbolic expresssion numerically
sage: f(x)= integrate(log(1-x^2)/x, x); f(2).n()
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/opt/sage-4.3.3-i686-Linux/<ipython console> in <module>()
/opt/sage/local/lib/python2.6/site-packages/sage/symbolic/expression.so in
sage.symbolic.expression.Expression.n
(sage/symbolic/expression.cpp:17036)()
TypeError: cannot evaluate symbolic expresssion numerically
}}}
patch comes soon
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8459>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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