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[Axiom-math] numeric integration


From: Stefan Karrmann
Subject: [Axiom-math] numeric integration
Date: Sat, 13 Aug 2011 23:20:32 +0200

Dear all,

I'm not able to do numeric integrations. Even simple integrals give no
results. Therefore I press Ctrl-C after minutes to howers.
 
==== Begin ==============================
$ axiom
GCL (GNU Common Lisp)  2.6.7 CLtL1    Nov  8 2010 20:45:06
Source License: LGPL(gcl,gmp), GPL(unexec,bfd,xgcl)
Binary License:  GPL due to GPL'ed components: (XGCL READLINE UNEXEC)
Modifications of this banner must retain notice of a compatible license
Dedicated to the memory of W. Schelter

Use (help) to get some basic information on how to use GCL.
Temporary directory for compiler files set to /tmp/
                        AXIOM Computer Algebra System 
                       Version: Axiom (September 2010)
               Timestamp: Monday November 8, 2010 at 22:03:37 
-----------------------------------------------------------------------------
   Issue )copyright to view copyright notices.
   Issue )summary for a summary of useful system commands.
   Issue )quit to leave AXIOM and return to shell.
   Visit http://axiom-developer.org for more information
-----------------------------------------------------------------------------
 
(1) -> 
(1) -> integrate(2*x,x=0..1)
(1) -> 
   (1)  1
                    Type: Union(f1: OrderedCompletion Expression
Integer,...)
(2) -> integrate(2*x,0..1)$INTPACK
 2) -> 
   >> System error:
   Console interrupt.
====  End  ==============================

Using NAG is in no way better, e.g.:
answer:=c05adf(3.0,4.0,1.0e-5,0.0,-1,sin(X)::ASP1(F))

Any hints why this does not work as described in the axiom documentation
(bookvol0, page 1019)? I've found nothing to numeric integration or
INTPACK in archive of the mailing list.

Thanks for any hints.

-- 
Kind regards,
Stefan




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