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

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

Submitter:	None
Submitted:	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:	integrate(1/(1+x**4),x=%minusInfinity..%plusInfinity)
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!	Anonymous
Tue 28 Dec 2004 03:58:57 PM UTC, comment #1:  Note also that integrate(1/(1+x**6),x=%minusInfinity..%plusInfinity) is wrong but integrate(1/(1+x**2),x=%minusInfinity..%plusInfinity) returns %pi as expected.	Bill Page <billpage1>
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)	Anonymous

 

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