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: algebraSeverity: 3 - Normal
Item Group: code bugStatus: None
Privacy: PublicAssigned to: None
Originator Name: ArchieverOriginator Email: -unavailable-
Open/Closed: OpenRelease: 
Reproducibility: NoneFixed 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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