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Re: opposite of AppendTo

• To: mathgroup at smc.vnet.net
• Subject: [mg124338] Re: opposite of AppendTo
• From: DrMajorBob <btreat1 at austin.rr.com>
• Date: Tue, 17 Jan 2012 03:26:14 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <201201162212.RAA15438@smc.vnet.net>
• Reply-to: drmajorbob at yahoo.com

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

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

Bobby

On Mon, 16 Jan 2012 16:12:16 -0600, burke <burket at mailbox.sc.edu> 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 yahoo.com

• References:
  • opposite of AppendTo
    • From: burke <burket@mailbox.sc.edu>