Sine Function I'm trying to Plot won't show up

조회 수: 2(최근 30일)
I am trying to plot the sine based function with various constants. However, when I try to plot them nothing shows up in the figure window, and the variables in the workspace only evaluate to one number rather than the whole range of phi. Not sure what I'm doing wrong here.

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Stephen23 2022년 9월 22일
편집: Stephen23 2022년 9월 22일
"Not sure what I'm doing wrong here."
You need to use element-wise division, not matrix division:
phi = 0:0.1:6*pi;
I2 = sin(phi).^2 ./ sin(phi/2).^2;
% ^^
Tip: if you are not doing linear algebra you probably should be using array operations:
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Krishan Bansal
Krishan Bansal 2022년 9월 22일
Thanks! I had a feeling it had something to do with that! I always forget to do .*, I'm surprised I forgot here because I specifically did element wise squaring.

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