The function return value might be unset error

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Abdullah Nabi
Abdullah Nabi 2020-5-2
回答： Image Analyst 2020-5-2
  1 个评论
Walter Roberson
Walter Roberson 2020-5-2
The message appears to be correct to me. You do not store anything into a variable named sol anywhere inside calcall. What value should be returned by the function?

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回答（1 个）

Image Analyst
Image Analyst 2020-5-2
You don't seem to use sol, so just get rid of it:
function calcall(t)
Or else set it to something
function sol = calcall(t)
sol = zeros(1, 4); % Initialize it to something in case of error afterwards.
% Computations for ave, mx, mn, st ... then
sol = [ave, mx, mn, st];
or whatever you want to return.
And disp() displays in the command window, not onto the figure you created.

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