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Re: Coefficients of previous result

• To: mathgroup at smc.vnet.net
• Subject: [mg53117] Re: Coefficients of previous result
• From: "Steve Luttrell" <steve_usenet at _removemefirst_luttrell.org.uk>
• Date: Fri, 24 Dec 2004 05:59:04 -0500 (EST)
• References: <cqeglg$l0g$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

expr = (1. + 2.*x + 2.*x^2 + 2.*x^3)/(1. + 2.*x + 2.*x^2)

gives

(1. + 2.*x + 2.*x^2 + 2.*x^3)/(1. + 2.*x + 2.*x^2)

then

Rationalize[expr]

gives

(1 + 2*x + 2*x^2 + 2*x^3)/(1 + 2*x + 2*x^2)

Steve Luttrell

"Milind Gupta" <milind.gupta at gmail.com> wrote in message 
news:cqeglg$l0g$1 at smc.vnet.net...
> The result of my previous step is something like this:
>
> expr =    1. + 2. x + 2. x^2 +  2. x^3
>            -----------------------------------------
>               1. + 2. x + 2. x^2
>
>   But I need it to be like this:
>
>
> expr =    1 + 2 x + 2 x^2 +  2 x^3
>            -----------------------------------------
>               1 + 2 x + 2 x^2
>
> so that I can use it with another function properly. Is there any way
> to do that?
>
> Milind
>