On Thursday 10 October 2024 at 09:02:58 UTC-7 sinan...@gmail.com wrote:

Hi,

I would like to report the following:

I tried to integrate 1/x^2 from -oo to oo, and here is what I got:

--
In cocalc, the series is calculated wrongly:
'SageMath version 10.4, Release Date: 2024-07-19'
in: integral(1/x^2, (x,-oo,oo))
out: 0
--

 
I've not been able to reproduce this behaviour or SageMath 10.5.beta6. I 
get the expected "Integral is divergent" error there. You may be observing 
a regression whatever maxima version cocalc is using for its SageMath 10.4 
(most likely whatever sagemath ships with) that is either not present on 
other systems or has been resolved by a maxima version upgrade in 10.5.beta.

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