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Re: Coefficients of previous result

• To: mathgroup at smc.vnet.net
• Subject: [mg53115] Re: [mg53096] Coefficients of previous result
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Fri, 24 Dec 2004 05:59:02 -0500 (EST)
• Reply-to: hanlonr at cox.net
• Sender: owner-wri-mathgroup at wolfram.com

Use Rationalize

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

expr=Rationalize[expr]

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


Bob Hanlon

> 
> From: Milind Gupta <milind.gupta at gmail.com>
To: mathgroup at smc.vnet.net
> Date: 2004/12/23 Thu AM 07:58:51 EST
> To: mathgroup at smc.vnet.net
> Subject: [mg53115] [mg53096] Coefficients of previous result
> 
> 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
> 
>