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[Axiom-developer] [#198 integrate(sin(x**2), x) is not handled ] (new)


From: anonymous
Subject: [Axiom-developer] [#198 integrate(sin(x**2), x) is not handled ] (new)
Date: Fri, 19 Aug 2005 06:06:01 -0500

Changes 
http://www.axiom-developer.org/zope/mathaction/198IntegrateSinX2XIsNotHandled/diff
--
Axiom doesn't seem to do the integral of sin(x^2), but both Maxima and 
Mathematica (per http://integrals.wolfram.com/ anyway) produce  answers.  
Confirmed by Martin Rubey, and uploaded at his request to IssueTracker.

CY

                        AXIOM Computer Algebra System 
                        Version: Axiom 3.6 (June 2005)
                Timestamp: Wednesday July 27, 2005 at 12:16:43 
 
-----------------------------------------------------------------------------
    Issue )copyright to view copyright notices.
    Issue )summary for a summary of useful system commands.
    Issue )quit to leave AXIOM and return to shell.
 
-----------------------------------------------------------------------------
  
    Re-reading compress.daase   Re-reading interp.daase
    Re-reading operation.daase
    Re-reading category.daase
    Re-reading browse.daase
 (1) -> 
 (1) -> integrate(sin(x**2),x)
       UserDefinedPartialOrdering 
            x
          ++        2
    (1)   |   sin(%I )d%I
         ++
                                           Type: Union(Expression
 Integer,...)
 (2) -> 
 
 
 Maxima 5.9.1.1cvs http://maxima.sourceforge.net
 Using Lisp CMU Common Lisp 19b (19B)
 Distributed under the GNU Public License. See the file COPYING.
 Dedicated to the memory of William Schelter.
 This is a development version of Maxima. The function bug_report()
 provides bug reporting information.
 (%i1) integrate(sin(x**2),x);
                                             (sqrt(2) %i + sqrt(2)) x
 (%o1) sqrt(%pi) ((sqrt(2) %i + sqrt(2)) erf(------------------------)
                                                        2
                                     (sqrt(2) %i - sqrt(2)) x
        + (sqrt(2) %i - sqrt(2)) erf(------------------------))/8
                                                2
 (%i2)
--
forwarded from http://www.axiom-developer.org/zope/mathaction/address@hidden




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