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MathGroup Archive 2010

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Re: How to *really* remove a symbol?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg110919] Re: How to *really* remove a symbol?
  • From: Vincent <sheeplane at gmail.com>
  • Date: Sun, 11 Jul 2010 06:21:03 -0400 (EDT)
  • References: <i19995$puv$1@smc.vnet.net>

On Jul 10, 9:59 am, Yaroslav Bulatov <yarosla... at gmail.com> wrote:
> I occasionally run into a situation where a symbol refuses to get
> removed. For instance I can do the following
>
> ClearAll[appPlot];
> Clear[appPlot];
> Remove[appPlot];
> Information[appPlot];
> OwnValues[appPlot]
>
> and it displays {}, and "Information" reports nothing for that symbol.
> But then if I issue "OwnValues[appPlot]" in the next cell, it gets
> initialized to some value I used for it before and I get
> {HoldPattern[appPlot] :> ....
>
> So far the only thing I found that fixes this is restarting the
> kernel. Is there any other way of removing this symbol?
> I'm on Mathematica 7.0.0 for MacOS

Could you post an example that reproduces the problem?


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