Re: Re: Root function
- To: mathgroup at smc.vnet.net
- Subject: [mg51061] Re: [mg51033] Re: [mg51009] Root function
- From: "David Park" <djmp at earthlink.net>
- Date: Sun, 3 Oct 2004 05:47:29 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Daniel, What is the "canonical ordering in the complex plane"? Is it a lexicographic ordering by real and imaginary parts? Or by Abs and Arg? Or something else? David Park djmp at earthlink.net http://home.earthlink.net/~djmp/ From: Daniel Lichtblau [mailto:danl at wolfram.com] To: mathgroup at smc.vnet.net The Root form is a concise way of expressing algebraic numbers via the minimal polynomial they satisfy, along with a canonical ordering in the complex plane (hence those numbers 1-3 in the second field). Daniel Lichtblau Wolfram Research