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Topic: Labelling a plot with maximum
Replies: 4   Last Post: Nov 23, 2009 6:59 AM

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Shalin Mehta

Posts: 2
Registered: 11/22/09
Labelling a plot with maximum
Posted: Nov 22, 2009 6:11 AM
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Hi everyone,

I am very new to Mathematica. I wish to prepare a figure and a movie
where the maximum of the plot is labelled on the figure.

I am using Manipulate to animate a function as shown below:

jinc[x_] := BesselJ[1, 2 \[Pi] x]/(2 \[Pi] x);
f[x_, \[CapitalDelta]_] :=
4 Abs[jinc[x + \[CapitalDelta]] - jinc[x - \[CapitalDelta]]]^2;
Manipulate[
Plot[f[x, \[CapitalDelta]], {x, -1.22, 1.22},
PlotRange -> {{-0.5, 0.5}, {0, 1.5}}], {\[CapitalDelta], 0.125,
0.5}]

I find the maximum for different values of Delta using:
Manipulate[
NMaximize[f[x, \[CapitalDelta]], x], {\[CapitalDelta], 0.125,
0.5}]

Can someone please help with a code that can print the result returned
by NMaximize on (say) top-left of the Plot generated by the first
Manipulate above? The plot will look neat if I can place a marker at
the X-position of maximum.

Also, I wish to have a Motion-JPEG compressed quicktime mov file
exported from this manipulate. How can that be achieved?

thanks in advance for any help.
Shalin

mobile: +65-90694182
blog: shalin.wordpress.com

Bioimaging Lab, Block-E3A, #7-10
Div of Bioengineering, NUS Singapore 117574
website: http://www.bioeng.nus.edu.sg/optbioimaging/colin/people.asp#shalinm




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