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Re: How to programmatically rewrite (x + y/z) as (xz+ y)/z ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89164] Re: [mg89157] How to programmatically rewrite (x + y/z) as (xz+ y)/z ?
  • From: DrMajorBob <drmajorbob at att.net>
  • Date: Wed, 28 May 2008 04:43:05 -0400 (EDT)
  • References: <16258050.1211888240330.JavaMail.root@m08>
  • Reply-to: drmajorbob at longhorns.com

x + y/z // Together

(y + x z)/z

Bobby

On Tue, 27 May 2008 06:15:55 -0500, TuesdayShopping  
<TuesdayShopping at yahoo.com> wrote:

> Given "(x + y/z)" as input, how do I get the same expression in the form  
> of "(xz+ y)/z".
>
> Note that the input form may not always have 2 terms. It may be  
> arbitrarily long or may not be in any standard form. It may be like   
> "x+y", or "x + y + (2*w)/z - p/3 +10", or "c", or  "x/2"   . . . .All  
> that can be assumed about the input is that they are all polynomials  
> bound together with the 5 operators (+, -, *, / and ^), and that  
> whatever the output is, the denominator can be assumed to be not equal  
> to 0.
>
> Thanks a lot.
>
>



-- 
DrMajorBob at longhorns.com


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