function error (GUIDE)
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Hello, I'm getting error messagges at the end of my GUIDE script and i don't know what i should do.
I didn't change anything, that's just what the program did.
Can someone help me?
Thank you!
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Walter Roberson
2021-6-25
There is a red mark near the top. You need to look at that error: it is probably causing the other errors.
I suspect that there is an if without end or [ without ] or something like that.
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Nikhil Sapre
2021-6-25
编辑：Nikhil Sapre
2021-6-25
Hi Kristin,
Based on the snippet of code you posted, I see that the function blocks don't have an end. Hence the errors.
Here's an example of how a fucntion declaration should look like
function ave = average(x)
ave = sum(x(:))/numel(x);
end
Thanks,
Nikhil
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Walter Roberson
2021-6-25
GUIDE has gone through several generations. In most of the generations, it uses functions that do not end with end . That is perfectly acceptable. As the link you posted indicates,
The end keyword is required when:
- Any function in the file contains a nested function.
- The function is a local function within a function file, and any local function in the file uses the end keyword.
- The function is a local function within a script file.
and GUIDE never uses nested functions and does not generate a script, so end would only be needed if some local function used end .
Does GUIDE generate local functions with end ? Traditionally it did not. I have seen some hints that it might have done so in the very last couple of releases before it was retired... but it is also possible that people had hand-editted the code I was looking at.
Does the user have the situation where an end was used for a local function at some point? I cannot rule that out. However, when that happens, there is a specific error generated about how at least one local function had an end but other ones did not.
Unfortunately my system is quite busy at the moment so I cannot test to be sure exactly what is going on.
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