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Re: pattern example

  • To: mathgroup at smc.vnet.net
  • Subject: [mg119819] Re: pattern example
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Fri, 24 Jun 2011 07:44:54 -0400 (EDT)
  • References: <201106231125.HAA25887@smc.vnet.net>
  • Reply-to: drmajorbob at yahoo.com

It works here:

f[3/5, 4, 5, 2/3] /. f[x : (_Integer | _Rational) ..] :> {x}

{3/5, 4, 5, 2/3}

$Version

"8.0 for Mac OS X x86 (64-bit) (February 23, 2011)"

Bobby

On Thu, 23 Jun 2011 06:25:11 -0500, Francisco Gutierrez  
<fgutiers2002 at yahoo.com> 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
>


-- 
DrMajorBob at yahoo.com


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