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Re: pattern example

  • To: mathgroup at smc.vnet.net
  • Subject: [mg119822] Re: pattern example
  • From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
  • Date: Fri, 24 Jun 2011 07:45:27 -0400 (EDT)
  • References: <201106231125.HAA25887@smc.vnet.net>

On 23 Jun 2011, at 13:25, Francisco Gutierrez wrote:

> I find in Leonid's (Shiffrin) excellent book the following example (p. 122):
> f[3/5,4,5,2/3]/.f[x:(_Integer|_Rational)..]:>{x}
>
> According to the book, this returns {3/5,4,5,2/3}
>
> However, I get (Mathematica 8.0.1, Windows 7) f[3/5,4,5,2/3]
>
> What's wrong?
> Francisco
>

Nothing. It works fine here. Try again but if you are still having problems try this:


f[3/5,4,5,2/3]/.f[x:Repeated[Alternatives[Blank[Integer],Blank[Rational]]]]:>{x}

Does this work for you now?

Andrzej Kozlowski



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