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Re: problem with Manipulate

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126569] Re: problem with Manipulate
  • From: esetlzn <esetlzn at gmail.com>
  • Date: Sat, 19 May 2012 05:47:39 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <jp54ri$gq0$1@smc.vnet.net>

ÓÚ 12-5-18 ÏÂÎç5:30, Physics is Everything....Almost дµÀ:
> Why does    Manipulate[ Plot[Sin[x (1+ a x)], {x,0,6} ], (a,0,2} ]  work....
> BUT..... the following doesn't....
> tmp = Plot[Sin[x (1+ a x)], {x,0,6} ]
> Manipulate[ tmp , (a,0,2}]
> I checked Attributes of Manipulate and saw   HoldAll......but Hold what??
> thanks.....Jerry Blimbaum
> 
Hi, no definition of the "a" in the "tmp" results in the problem.
My solution is as below:

f[a_] := Plot[Sin[x (1 + a x)], {x, 0, 6}];
Manipulate[f[a], {a, 0, 2}]

enjoy!

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