Why am I getting these plot warnings?

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Ellen Braden
Ellen Braden 2018-10-31
评论： Boian Alexandrov 2019-12-27
I am trying to do some simple plotting, plot(diff), and I keep getting these warnings Warning: Error updating Button. Not enough input arguments. at least 50 times before stopping. What Button is it talking about and how do I turn off these warnings?
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the cyclist
the cyclist 2018-10-31
编辑：the cyclist 2018-10-31
I would modify Walter's suggestion slightly, to recommend that you try to simplify your code down to the smallest version that exhibits the problem, and post that code.
In my experience, that process itself often exposes the bug.

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回答（4 个）

Ellen Braden
Ellen Braden 2018-10-31
diff is a difference between two arrays, diff = posA(:,1) - posB(:,1). posA and posB are the same size. Then I plot diff, plot(diff). That's it.
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Walter Roberson
Walter Roberson 2018-10-31
So your code just looks like loading some values into posA and posB, then
diff = posA(:,1) - posB(:,1);
plot(diff)
??
Note: it is not recommended to use diff as the name of a variable, as it is the name of a commonly used function.

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Ellen Braden
Ellen Braden 2018-11-1
Even if I change it to posdiff = posA(:,1)-posB(:,1), plot(posdiff) I get the same warnings
Robert Barretto
Robert Barretto 2018-11-22
I have the same issue with Matlab 2018b. Luckily I can confirm that my code on Matlab 2016b does not produce this problem.
This is true on both Mac and PC.
Capture.PNG
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John
John 2019-8-20
Thank-you Walter Roberson! I suddenly had the same problem. Something crept into my extensive paths. Now I have to reverse engineer and find the culprit in my paths.
Try
restoredefaultpath;
rehash toolboxcache

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Stijn Helsen
Stijn Helsen 2019-8-26
I had the same problem, and the provided solution solved my problem.
Thank you!!

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