Error in equation/variables
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I'm facing a small problem in MATLAB, this code I wrote is not running due to an error in line 11 (the first equation in the image attached below).
I am not sure if i should write a0 in global or not, a0 is constant and equals 1.
How can I fix this error?
here is the code
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/571029/image.png)
and these are the errors
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/571034/image.png)
Antworten (3)
Image Analyst
am 2 Apr. 2021
Theta is a vector so you need to decide if you want to do Theta(1)^2, Theta(2)^2 or Theta.^2 (using a dot).
3 Kommentare
Image Analyst
am 3 Apr. 2021
And next time, if you post actual code rather than an image of it, we can fix it for you.
Sulaymon Eshkabilov
am 2 Apr. 2021
% You need to perform elementwise operation. Since Theta = [0, 120]
Theta^2 % must be
Theta.^2
. % missing before / operator
Good luck
Jacob Forbes
am 2 Apr. 2021
Writing a0 into global shouldn't be your issue as you said it is a constant and you have it defined as 1. From what I see, the problem you're running into is you are trying to take the square of a vector (Theta) which cannot be done unless it is done element by element, in which case you would use the operator ".^2" after (Theta) instead of "(Theta)^2" like you currently have written.
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