Hi,
Here is a upgrade for periods 1-13
http://fraktal.republika.pl/eigensolve.html
Regards
Adam
Dnia Sun, 31 Jan 2010 18:13:47 +0000, Adam Majewski napisa?(a):
> Dnia Sun, 31 Jan 2010 09:48:47 -0700, Robert Dodier napisa?(a):
>
>> On 1/30/10, Adam Majewski <adammaj1 at o2.pl> wrote:
>>
>>> Thx for all answers.
>>> Here is a result :
>>> http://fraktal.republika.pl/eigensolve.html
>>
>> Terrific, keep up the good work.
>>
>> I wonder why you are calling the external program eigensolve. Is it
>> faster than the corresponding Maxima function or Maxima has some bug or
>> what??
>>
>> best
>>
>> Robert Dodier
>
> Thank you for a nice words, Maxima and help.
>
> It's a complex problem. (:-)
> First because period is any positive integer so there is no upper limit
> and only hardware/software limitations. Thus this could be treated as an
> numerical benchmark.
>
>
> I do not know which program is the best. I have checked some :
> Maxima ( allroots, bfallroots, polyroots) mpsolve
> eigensolve
> octave
> Web Solver
> Results are on my page : fraktal.republika.pl
>
> Now I know that on my computer Maxima fails with polynomial for period
> 14 ( degree 8127 ) - computing this polynomial ( before computing its
> roots)
>
> The comparison is hard because :
> - some programs were done under different OS : win32 and Linux 64 bit -
> last algorithm is optimised
> - (I hope that) new programs are better, - I do not know above programs
> in the same level
> so my scripts are not using all power of programs
>
> I'm intresting in compiling Maxima from sources with maximum memory.
> (Now I have SBCL on 64 bit and my maxima is from packages by Istvan
> Blahota :
> http://zeus.nyf.hu/~blahota/
>
>
> It would be great if some notes about it one could find in doc. I have
> found sth like :
> http://fraktal.republika.pl/doc/maxima%20error%20codes.txt
>
> Maxima is great, Lisp also (:-)
>
> Best regards
>
> Adam
>
>
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