polyroots



Adam Majewski wrote:
> Raymond Toy pisze:
>> Adam Majewski wrote:
>>> Ray, could you check :
>>> http://fraktal.republika.pl/doc/polyroots.txt
>>> http://fraktal.republika.pl/doc/polyroots_new.txt
>>> Polyroots works up to period 7 : c7:polyroots(G(p,z,c)/G(1,z,c),c)
>> Check in what way?
>>> Can it be improved ?
>> Improved in what way?
>>
>> Is the issue that period 8 doesn't work?
>>
>> G(p,z,c) is a polynomial of degree 128.  You probably need more digits.
> 
> 
> Do you mean increase fpprec ?

Yes.  Doesn't mean it will work, but it might.  It will probably also
run slower.

Ray