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Re: MatchQ, silly question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg105118] Re: MatchQ, silly question
  • From: Raffy <raffy at mac.com>
  • Date: Sat, 21 Nov 2009 03:35:52 -0500 (EST)
  • References: <he5v9i$3gh$1@smc.vnet.net>

On Nov 20, 3:41 am, janos <janostothmeis... at gmail.com> wrote:
> MatchQ[3 x^2, #] & /@ {3 x_^2,  3 x_^_, _ x_^_, _ _^_, _ (_^_), _ *
> (_^_)}
>
> dives False in the last cases. Why? The FullForm
>
> Power[Blank[ ],Plus[1,Blank[ ]]]
>
> contains Plus, why?
>
> Thank you.
>
> J=E1nos

x * x ^ x = x ^ (x + 1)


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