bugAxiom Computer Algebra System - Bugs: bug #11387, Incorrect functionality of the...


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bug #11387: Incorrect functionality of the "integrate" operation

Submitted by:  None
Submitted on:  Thu 23 Dec 2004 11:38:48 PM UTC  
Category:  algebra Severity:  3 - Normal
Item Group:  code bug Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  Archiever Originator Email:  -email is unavailable-
Open/Closed:  Open Release: 
Reproducibility:  None Fixed Release: 
Error message: 
Example of code trigerring the bug: 


Internal cause: 

Thu 30 Dec 2004 12:31:55 AM UTC, comment #2: 

bug #11387
Surprisingly, the integral integrate(1/(4+x**4),x=%minusInfinity..%plusInfinity)
gets evaluated quite correctly!

Tue 28 Dec 2004 03:58:57 PM UTC, comment #1: 

Note also that


is wrong but


returns %pi as expected.

Bill Page <billpage1>
Project Member
Thu 23 Dec 2004 11:38:48 PM UTC, original submission:  

The result that Axiom returns seems incorrect. That is, the integral is 0, according to Axiom; while the correct answer is %pi/sqrt(2)



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