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MathGroup Archive 2004

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Re: GCD of a list of polynomial coefficient

  • To: mathgroup at smc.vnet.net
  • Subject: [mg50229] Re: [mg50219] GCD of a list of polynomial coefficient
  • From: "David Park" <djmp at earthlink.net>
  • Date: Sun, 22 Aug 2004 00:19:38 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

John,

Use Apply (@@)

p[x] = 5x + 10;
 k = CoefficientList[p[x], x];
GCD @@ k
5

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/ 

From: John Vassiliou [mailto:vsp at mycosmos.gr]
To: mathgroup at smc.vnet.net

Dear Friends,

I wand to get a GCD of a list of polynomial coefficients but
had no luck, i.e. p[x]=5x+10, k=CoefficientList[p[x],x]={5,10},
GCD[k]={5,10}. No result. I cant remove the curly braces from
GCD[{...}] in order GCD to work. please help

thanks





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