#6423: Sage not always understanding i=sqrt(-1)  - Maxima bug probably
------------------------+---------------------------------------------------
   Reporter:  drkirkby  |       Owner:  AlexGhitza
       Type:  defect    |      Status:  new       
   Priority:  major     |   Milestone:  sage-4.2  
  Component:  calculus  |    Keywords:            
Work_issues:            |      Author:            
   Reviewer:            |      Merged:            
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Comment(by kcrisman):

 Just FYI, this is now FIXED in the latest CVS of Maxima.
 {{{
 Maxima 5.19post http://maxima.sourceforge.netusing Lisp SBCL 1.0.24
 Distributed under the GNU Public License. See the file COPYING.
 Dedicated to the memory of William Schelter.
 The function bug_report() provides bug reporting information.
 (%i1) integrate(exp(-x^%i),x,0,1);
                        %i gamma_incomplete(- %i, - log(x + 1))
 (%o1) %i (%i (limit   (---------------------------------------
               x -> 0-                     2
    %i gamma_incomplete(%i, - log(x + 1))    %i gamma_incomplete(%i, 1)
  - -------------------------------------) + --------------------------
                      2                                  2
    %i gamma_incomplete(- %i, 1)
  - ----------------------------)
                 2
               gamma_incomplete(%i, - log(x + 1))
  + limit   (- ----------------------------------
    x -> 0-                    2
    gamma_incomplete(- %i, - log(x + 1))    gamma_incomplete(%i, 1)
  - ------------------------------------) + -----------------------
                     2                                 2
    gamma_incomplete(- %i, 1)
  + -------------------------)
                2
 (%i2)
 }}}
 Of course, now we'll have to deal with nounforms and gamma_incomplete
 translation, but hopefully that won't be too big of a hurdle.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6423#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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