Re: Limit and Root Objects

*To*: mathgroup at smc.vnet.net*Subject*: [mg72662] Re: Limit and Root Objects*From*: John Doty <jpd at whispertel.LoseTheH.net>*Date*: Sun, 14 Jan 2007 04:34:43 -0500 (EST)*References*: <em606c$2o1$1@smc.vnet.net> <4586C045.2020805@metrohm.ch> <em8jfr$pfv$1@smc.vnet.net> <200701121105.GAA02818@smc.vnet.net> <eoa71a$mp6$1@smc.vnet.net>

Andrzej Kozlowski wrote: > In the cases of polynomials with real coefficients it is indeed > possible to define a continuous root. It is certianly not possible to > do so for polynomials with complex coefficients. Given the importance of polynomials with real coefficients in many application areas (control theory, for example), I think it could be very handy to have a continuous root function available as a tool, even if it doesn't generalize to the complex coefficient case. -- John Doty, Noqsi Aerospace, Ltd. -- Specialization is for robots.

**Follow-Ups**:**Re: Re: Limit and Root Objects***From:*Andrzej Kozlowski <akoz@mimuw.edu.pl>

**References**:**Re: Limit and Root Objects***From:*Paul Abbott <paul@physics.uwa.edu.au>