#6423: Sage not always understanding i=sqrt(-1) - Maxima bug probably
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Reporter: drkirkby | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.1.2
Component: calculus | Keywords:
Reviewer: | Author:
Merged: |
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Comment(by kcrisman):
Unfortunately, it seems not. From uw.sagenb.org:
{{{
sage: exp(-x^i).integral(x,0,1)
Traceback (most recent call last):
...
TypeError: Computation failed since Maxima requested additional
constraints (try the command 'assume(i>0)' before integral or limit
evaluation, for example):
Is %i an integer?
sage: maxima.eval('integrate(exp(-x^%i),x,0,1);')
Traceback (most recent call last):
...
ValueError: Computation failed since Maxima requested additional
constraints (try the command 'assume(i>0)' before integral or limit
evaluation, for example):
Is %i an integer?
}}}
This also was verified on a local installation.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6423#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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