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Re: Working with arrays

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131223] Re: Working with arrays
  • From: David Bailey <dave at removedbailey.co.uk>
  • Date: Wed, 19 Jun 2013 01:25:49 -0400 (EDT)
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On 17/06/2013 11:17, amannucci wrote:

>
> I appreciate the replies I have received. Yes, CenterDot is the wrong operator! I am a little rusty here. I appreciate the helpful comments.
>

If you find an expression that doesn't seem to evaluate correctly, one 
of the first things to try is to examine the FullForm of the held 
expression (to suppress its evaluation):


lA\[CenterDot]xtest //Hold//FullForm

{{a, b}, {c, d}} . {x, y} //Hold //FullForm


FullForm cracks a certain percentage of the problems presented in this 
forum instantaneously!

David Bailey
http://www.dbaileyconsultancy.co.uk





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