gaussian beam height plot
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hi there, is there any matlab code that return the value of a 3d plot? for example: mu = [1 2;-3 -5]; sigma = cat(3,[2 0;0 .5],[1 0;0 1]); p = ones(1,2)/2; obj = gmdistribution(mu,sigma,p);
ezsurf(@(x,y)pdf(obj,[x y]),[-10 10],[-10 10])
so i got this graph so simulate my gaussian beam for nanomachining, the problem is by using this m file, i cant specify the height of the beam. i think the only one way is to return the z value of the graph, and multiply by certain coefficient that reach the height that i want then regraph it. any help would be much appreciated.
thank you
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Respuesta aceptada
Oleg Komarov
el 10 de Abr. de 2011
Can you be more specific? What do you want to do with the graph?
Also, pdf map the domain into the [0 1] interval. You can't have more than 100% probability.
If you are just trying to set values for the z axis then:
set(gca,'zlim',[0,1])
or
inspect(gca)
2 comentarios
Oleg Komarov
el 10 de Abr. de 2011
To get the values of z call:
h = ezsurf(@(x,y)pdf(obj,[x y]),[-10 10],[-10 10])
get(h, 'zdata')
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