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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>