I am trying to plot x and y with y being the only unknown but I don’t what is wrong in my code please help

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Honore Lopaka
Honore Lopaka 2021-1-11
回答： Mischa Kim 2021-1-11

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Mischa Kim
Mischa Kim 2021-1-11
Honore,
the one thing I notice is that x and y are vectors. Rewrite the y-equation using the dot operator, .^ instead of just ^:
y = ..cos(theta)^2)*x.^2;
In general, please share in your questions code rather than a screen shot of the code.

更多回答（1 个）

KSSV
KSSV 2021-1-11
  1. Your x is an array
  2. Where as theta is only a scalar.
  3. You have to make theta and x both arrays of same size.
  4. You need to use element by element operations.

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