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

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Krishan Bansal
Krishan Bansal 2022 年 9 月 22 日
コメント済み: Krishan Bansal 2022 年 9 月 22 日
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
Stephen23 2022 年 9 月 22 日
編集済み: Stephen23 2022 年 9 月 22 日
"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;
% ^^
plot(I2)
Tip: if you are not doing linear algebra you probably should be using array operations:
  1 件のコメント
Krishan Bansal
Krishan Bansal 2022 年 9 月 22 日
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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