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MathGroup Archive 2007

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simple dynamic expression problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77953] simple dynamic expression problem
  • From: Chris Chiasson <chris.chiasson at gmail.com>
  • Date: Wed, 20 Jun 2007 05:38:09 -0400 (EDT)

Steps to reproduce:
1. Evaluating the following two commands in one Input cell:
Table[Module[{x=.5},{Slider[Dynamic[x]],Dynamic[x]}],{2}]
Table[DynamicModule[{x=.5},{Slider[Dynamic[x]],Dynamic[x]}],{2}]

2. Move both of the *last two* (DynamicModule) sliders.

3. Move both of the *first two* (Module) sliders.

Expected result:
All sliders move.

Actual result:
The final move attempt does not work.

Additional info:
Quitting the kernel after the following the above steps does not
display the expected unique symbol associated with the Module slider
that *does* move. Instead, it displays the value thereof, which should
no longer exist.

This problem example was taken directly from my interaction with the
documentation at
tutorial/AdvancedDynamicFunctionality
in the help browser and
http://reference.wolfram.com/mathematica/tutorial/AdvancedDynamicFunctionality.html
online.

Version info:
In[2]:= {$Version,Internal`$CreationID}
Out[2]= {6.0 for Microsoft Windows (32-bit) (April 27, 2007),853857}



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