Data plot for different values

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University Glasgow
University Glasgow 2022-9-14
编辑： Torsten 2022-9-14
I want plot theta as a function of z at t = time(nt) for all xi values but receive: Error using plot: Data cannot have more than 2 dimensions om line 140.

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Torsten
Torsten 2022-9-14
%store your outputs for each xi
thetaxivalues(ixi,:,:) = theta(:,:);
vxivalues(ixi,:,:) = v(:,:);
What is ixi ? I guess, it's a single scalar, namely ixi = nxi from the last loop where ixi appears:
for ixi = 1:length(xivalues)
xi = xivalues(ixi);
end
So you don't store outputs for each xi.
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University Glasgow
University Glasgow 2022-9-14
If you cehck the discretised equations, I have xi in the v equation.
Please check, you will see: (xi/(2*h))*(theta(N-1)-theta(N-3));
Torsten
Torsten 2022-9-14
编辑：Torsten 2022-9-14
Then call the solver in a loop over the elements of xi and write the results in a 3d v and theta array.
But that's really standard and I won't do that for you.

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