On 22 Jan 2009, at 04:01, Alexander Hansen wrote:

> Jean-François Mertens wrote:
>> On 22 Jan 2009, at 03:01, Sean Lake wrote:
>>
>>
>>> Hello all,
>>>
>>> There's a bug in maxima 5.17.0-5. The input I type in is:
>>>
>>> integrate(r^(-3), r, R, inf);
>>>
>>> The output maxima gives me (after responding that R is positive) is:
>>>
>>> Integral is divergent
>>>  -- an error.  To debug this try debugmode(true);
>>>
>>>
>> I get the same, with the previous version of maxima and sbcl
>> (machine just got back from repair, still updating..)
>> _ and also with "maxima -l clisp" (I build maxima with both lisp
>> engines enabled).
>> Even just with :
>> integrate(r^(-3),r,3,inf);
>>
>>
>>> I don't know if this needs to be passed upstream or not, but thought
>>> I'd run it by the list first.
>>>
>>
>> Definitely, to maxima (conceivably still something wrong in the  
>> syntax ?
>> But doesn't seem to me.)
>>
>> JF Mertens
>>
>>
> I tried 5.13.0 on a Linux box, and got the right answer.  I tried  
> 5.17.0
> on Windows (built versus GCL, I believe), and it gives the same  
> error as
> for ours.  I'm inclined to blame the current maxima itself on this.

Seems you have the most information to send the bug upstream ...  :)

JF
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