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Common factors in a list

• To: mathgroup at smc.vnet.net
• Subject: [mg58327] Common factors in a list
• From: "John Reed" <nospamjreed at alum.mit.edu>
• Date: Tue, 28 Jun 2005 05:13:27 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

I'm working with a list (vector) that's composed of functions such as 
complex exponentials and Bessel functions.  Some of the functions are common 
to each element of the list.  I'm trying to find a way to do the following:

   {a x, a y, a z}-> a *{x, y, z}

In this expression, a, x, y, z are polynomials, exponentials and/or Bessel 
functions.

So far I haven't had any luck with this.  Does anyone have a simple 
solution?

John Reed 

• Follow-Ups:
  • Re: Common factors in a list
    • From: Andrzej Kozlowski <akozlowski@gmail.com>