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Re: Getting the Derivative of an HoldForm Expression

  • To: mathgroup at
  • Subject: [mg127925] Re: Getting the Derivative of an HoldForm Expression
  • From: David Bailey <dave at>
  • Date: Sun, 2 Sep 2012 04:33:42 -0400 (EDT)
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  • References: <k16jfv$bep$> <k1a28l$icg$> <k1pr0f$k0a$>

On 31/08/2012 09:01, nitgun at wrote:
> Thank you very much. I'll keep this in mind and start to forget about HoldForm.

Remember that HoldForm is very useful in the right circumstances. It is 
useful to show expressions that are deliberately left unvevaluated - 
e.g. HoldForm[2+2].

In other contexts where an expression needs to be held, Hold is 
preferable because it is visible.

David Bailey

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