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Re: pattern example


It works in  8.0.1 Windows7 too

In[1]:= f[3/5,4,5,2/3]/.f[x:(_Integer|_Rational)..]:>{x}

Out[1]= {3/5,4,5,2/3}

-----Mensaje original-----
De: Leonid Shifrin [mailto:lshifr at] 
Enviado el: viernes, 24 de junio de 2011 13:48
Para: mathgroup at
Asunto: Re: pattern example

Hi Francisco,

I can't check on 8.0.1 right now, but both v8.0 and v7.0 give the result as
in the book.
I hope someone else will comment on 8.0.1.


On Thu, Jun 23, 2011 at 3:25 PM, Francisco Gutierrez <fgutiers2002 at
> 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

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