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Re: Problem in using preassigned variable in manipulate

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126370] Re: Problem in using preassigned variable in manipulate
  • From: John Fultz <jfultz at wolfram.com>
  • Date: Fri, 4 May 2012 06:26:16 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201205040224.WAA08605@smc.vnet.net>

There are several ways to do this.  In this case, I would use With:

With[{x=.5}, g=Manipulate[=85]]

This literally substitutes .5 into the resulting expression before it's 
evaluated.  Another common possibility is to assign it to a 
DynamicModule variable, which will remain present and properly 
initialize in the resulting CDF:

DynamicModule[{x=.5}, g=Manipulate[=85]]

Sincerely,

John Fultz
jfultz at wolfram.com
User Interface Group
Wolfram Research, Inc.

On May 3, 2012, at 9:24 PM, Pooja Tewari wrote:

> Hi,
>
> I am new to Mathematica and I have been stuck with this seemingly 
small issue for some time now -
>
> x:=.5;
>
> g = Manipulate[
>  Plot[Sin[i t], {t, 0, 10},
>   ImageSize -> Scaled[x]], {i, 1, 5}]
>
> I want to assign the variable x to .5 and then use it in Manipulate 
function, which plot a graph of sin[i t] and imagesize should be scaled 
to x( which is already assigned). But when I am deploying this in cdf, I 
am having this error
>
> "The specified setting for the option GraphicsBoxOptions, ImageSize 
cannot be used."
>




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