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Re: question about HoldForm

  • To: mathgroup at
  • Subject: [mg60825] Re: [mg60777] question about HoldForm
  • From: Andrzej Kozlowski <andrzej at>
  • Date: Thu, 29 Sep 2005 05:42:33 -0400 (EDT)
  • References: <>
  • Reply-to: Andrzej Kozlowski <andrzej at>
  • Sender: owner-wri-mathgroup at

On 28 Sep 2005, at 23:47, David Park wrote:

> Ruth,
> If you try the ExpressionManipulation package on the Mathematica  
> page at my
> web site you will find some tools for evaluating held expressions in a
> controlled manner. The package extends the existing EvaluateAt  
> command. Such
> a routine was originally posted by Allan Hayes a long time valuable
> contributer to MathGroup. Ted Ersek also helped with some of the code.

I am not sure how EvaluateAt works since I have not seen the package  
but I think the original method of partial (or in-place) evaluation  
of Mathematica expressions is due to Michael Trott and Adam  
Strzebonski. I can't recall now the Allan Hayes post but I suspect it  
was just an implementation of the Strzebonski-Trott method.

Andrzej Kozlowski

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