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Re: Powerset operation: how?

  • To: mathgroup at
  • Subject: [mg45591] Re: [mg45570] Powerset operation: how?
  • From: Andrzej Kozlowski <akoz at>
  • Date: Fri, 16 Jan 2004 06:05:05 -0500 (EST)
  • References: <>
  • Sender: owner-wri-mathgroup at

On 14 Jan 2004, at 06:26, see.address at post.sig wrote:

> How should I code efficiently the powerset of a (small) set 
> represented by a
> list?
> A search on Wolfram site turned out nothing useful, but I'm quite sure
> somebody has done it already.

Indeed, you are right. The most elegant way in my opinion is due to 
Ilan Vardi




This is an example of "algebraic programming", a programming style that 
Mathematica is particularly well suited for (for more on this see my 
forthcoming article in the Mathematica Journal).

Andrzej Kozlowski
Chiba, Japan

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