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Program output is correct but not plotting anything

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Griffin Polglaze
Griffin Polglaze on 30 Aug 2019
Answered: Nicolas B. on 30 Aug 2019
I've written a program in MATLAB that prints data that is correct but when I attempt to plot these values nothing comes up.

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Accepted Answer

Nicolas B.
Nicolas B. on 30 Aug 2019
Hi Griffin,
please in future, post your code into the post. It makes the life of others easier than having to read it into a figure.
In your case, the reason why it is not plotting a line is pretty simple. Your vectors "t" and "thrust_force" are in fact scalars because the for loop uses t as an "index" and you erase thrust_force variable at each iteration.
I would recommand you to write your loop like that:
% create vector t and thrust_force to avoir resizing at each iteration
t = 0:80;
thrust_force = NaN(size(t)); % init it with a vector of NaN of the size of t
% loop with ii as index of t and thrust_force
for ii = 1:numel(t)
thrust_force(ii) = tug_thrust(t(ii));
end
Regards

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