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How do I plot this E= (|I|^2)/8π​^2[costhet​a-costheta​^2]/(2).

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Adefola Alowolodu
关闭： MATLAB Answer Bot 2021-8-20
How do I plot this E= (|I|^2)/8π^2[costheta-costheta^2]/(2).
  1 个评论
John D'Errico
John D'Errico 2017-7-8
What have you tried? IF nothing then why not? It appears, given that you are not even using valid MATLAB notation, that you have not even read the getting started tutorials. So why not try reading the manual FIRST? You might learn something. At least you would learn enough to create a fairly simple plot.

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Joshua
Joshua 2017-7-8
编辑：Joshua 2017-7-8
I was a little confused by what belonged in the denominator and numerator, along with what "I" is (I took it to be the imaginary number). However, I think you want something like this
theta=linspace(-2*pi,2*pi,100);
E=-1*(cos(theta)-cos(theta).^2)/(2*8*pi^2);
plot(theta,E)
xlabel('\theta')
ylabel('E')

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