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Re: opposite of AppendTo

  • To: mathgroup at
  • Subject: [mg124338] Re: opposite of AppendTo
  • From: DrMajorBob <btreat1 at>
  • Date: Tue, 17 Jan 2012 03:26:14 -0500 (EST)
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  • Reply-to: drmajorbob at

Show us an example of the failure of Delete, DeleteCases, Except, and/or  

We can't just GUESS what you've tried.


On Mon, 16 Jan 2012 16:12:16 -0600, burke <burket at> wrote:

> AppendTo[s,e] appends "e" to "s" and then RESETS "s". How does one
> delete or remove an element "e" from a list "s" and then RESET "s"?
> The _reset_ is my problem.  I want to be able to add and delete
> elements of a list (a list of graphical elements with very low
> opacity).  I can "appendto" the list at will but am unable to delete
> elements (using Delete, DeleteCases, Except, Select, etc.). Deleting
> "e" from "s" is easy enough, but resetting "s" seems impossible.
> Help!!

DrMajorBob at

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