Boyko, if you have reliable historical information beyond what is already said in the wikipedia article, then feel free to update the article. - Bo
>________________________________ > Fra: Boyko Bantchev <boyk...@gmail.com> >Til: programm...@jsoftware.com >Sendt: 9:39 torsdag den 13. december 2012 >Emne: Re: [Jprogramming] Cool roots > >On 13 December 2012 03:23, Bo Jacoby <bojac...@yahoo.dk> wrote: >> I reinvented the Durand-Kerner method ( >> http://en.wikipedia.org/wiki/Durand-Kerner_method ) in 1992. I think it >> cool. I don't know if it is better or worse than p. . > >Just for the record. The so-called Durand–Kerner method was >independently discovered by several authors in the 1960s. It >is based on a formula of K.Weierstrass, although he did not use >it to approximate roots. Kiril Dochev was the first (1962) to >establish a sufficient condition for the convergence of the >method and to prove that the convergence is quadratic. >---------------------------------------------------------------------- >For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm