Then i don't guess it's my fault it doesn't work. Any thoughts about how to make this work?
On 6 mar, 11:42, Oscar Gerardo Lazo Arjona <algebraicame...@gmail.com> wrote: > Hey guys, what's wront with this integral? > > sage: integral(x^3/(e^x-1),x,0,oo) > > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > File "_sage_input_5.py", line 5, in <module> > integral(f,x,_sage_const_0 ,oo) > File "", line 1, in <module> > > File > "/home/oscar/sage-4.3/local/lib/python2.6/site-packages/sage/misc/functional.py", > line 687, in integral > return x.integral(*args, **kwds) > File "expression.pyx", line 6495, in > sage.symbolic.expression.Expression.integral > (sage/symbolic/expression.cpp:25927) > File > "/home/oscar/sage-4.3/local/lib/python2.6/site-packages/sage/calculus/calculus.py", > line 873, in integral > return SR(result) > File "parent.pyx", line 538, in sage.structure.parent.Parent.__call__ > (sage/structure/parent.c:4956) > File "coerce_maps.pyx", line 156, in > sage.structure.coerce_maps.NamedConvertMap._call_ > (sage/structure/coerce_maps.c:4098) > File > "/home/oscar/sage-4.3/local/lib/python2.6/site-packages/sage/interfaces/maxima.py", > line 1758, in _symbolic_ > return R(self._sage_()) > File > "/home/oscar/sage-4.3/local/lib/python2.6/site-packages/sage/interfaces/maxima.py", > line 1739, in _sage_ > return symbolic_expression_from_maxima_string(repr(self)) > File > "/home/oscar/sage-4.3/local/lib/python2.6/site-packages/sage/calculus/calculus.py", > line 1937, in symbolic_expression_from_maxima_string > raise TypeError, "unable to make sense of Maxima expression '%s' in > Sage"%s > TypeError: unable to make sense of Maxima expression > 'limit(6*li[4](e^x)-6*x*polylog3(e^x)+3*x^2*polylog2(e^x)+x^3*log(1-e^x)-x^4/4,x,inf)-pi^4/15' > in Sage > > it's an important integral in quantum mechanics, and very difficult for > me to solve. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
