Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
1993
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 1993

[Date Index] [Thread Index] [Author Index]

Search the Archive

Factoring polynomials over the reals

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: Factoring polynomials over the reals
  • From: JWENDEL at isdmnl.wr.usgs.gov
  • Date: Thu, 18 Mar 1993 11:36:33 -0800 (PST)

I believe that NSolve is the only way to go.  Consider so simple an example
as x^5-4x+2=0.  This has no "elementary" solutions, i.e. rational or
expressible through radicals 
and thus I think there can't be a method to produce the desired
factorization.





  • Prev by Date: Searching in Mathematica
  • Next by Date: Creating a function that will do a Complex conjugate
  • Previous by thread: Searching in Mathematica
  • Next by thread: Creating a function that will do a Complex conjugate