How to define a localized indexed object in Manipulate?
- To: mathgroup at smc.vnet.net
- Subject: [mg123774] How to define a localized indexed object in Manipulate?
- From: "Nasser M. Abbasi" <nma at 12000.org>
- Date: Sun, 18 Dec 2011 04:37:46 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- Reply-to: nma at 12000.org
Hello,
Any one knows how to define and use an indexed object in Manipulate?
Looking at the example below, p@x is an indexed object used by
Manipulate.
--------------------------------
Manipulate[
p@x=p@x+1;
n;
Row[{"p@x=",p@x}],
Button["click to update p@x",n++],
{{n,0},None},
TrackedSymbols:>{n},
Initialization:>
{
p@x=0
}
]
--------------------------------
But in the above, I had to put p@x in the Initialization section
because I did not know how to make a Manipulate Dynamic. This
makes p@x become global, and will not be localized when one makes
a new copy of the Manipulate snapshot, causing a problem.
The obvious solution, which is to add
{{p@x,0},None}
to make p@x become a Manipulate own Dynamic, does not work for
indexed object. So, I could not do the following:
--------------------------------
Manipulate[
p@x=p@x+1;
n;
Row[{"p@x=",p@x}],
Button["click to update p@x",n++],
{{n,0},None},
{{p@x,0},None}, (* DOES NOT WORK, what is the synatx to use?*)
TrackedSymbols:>{n}
]
--------------------------------
Any tick or hint how to do this will be great.
Thank you,
--Nasser
- Follow-Ups:
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