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MathGroup Archive 2006

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Re: Help !! plot roots of an expression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72373] Re: Help !! plot roots of an expression
  • From: "dimitris" <dimmechan at yahoo.com>
  • Date: Tue, 26 Dec 2006 09:07:29 -0500 (EST)
  • References: <emdojm$jr7$1@smc.vnet.net>

No proper help can be given without seeing your polynomial!

Dimitris

mintoo wrote:
> I have a polynomial. A simple example is like this
>
> (w-w1) (w + 2  q +en^2 +  s w^3) + r
> The actual example is more complicated.  It is a function of several
> variables e.g. q, en, s, r etc..
> I also need to Collect & FullSimplify this expression.
> Finally, from that result, I want to plot the roots of this polynomial
> (imaginary & real part) vs. q (say) or vs en etc.. other variables can
> be given fixed values.
> 
> I'll the thankful if you give me hints how to do this!!


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