Error using RESHAPE but I'm not using reshape

2013 7 22
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When executing one of my functions I'm getting:
Error using reshape To RESHAPE the number of elements must not change.
But my function doesn't even use reshape, any ideas of what is going on here? I mean, what other MATLAB function am I maybe using incorrectly that could be throwing this error?

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Rednar
Rednar 2013-7-22
It stopped giving me the error and I didn't change anything. It was really weird, I just deleted a file that uses reshape but that it has nothing to do with the function I'm running and it's not even in the same folder. I don't know what happened but it's fine now.
Jan
Jan 2013-7-22
Trust me Rednar, you did change not even not anything, but exactly the cause of the error. Matlab is 100% deterministic and you can be sure, that there was a reshape() in your code. The debugger Sean has suggested would have revealed where the problem occurs.
Cedric
Cedric 2013-7-22
编辑：Cedric 2013-7-22
Actually with JIT not being used in debugging sessions, I already observed differences in behavior, but not to the extent of using different functions internally.
Rednar
Rednar 2013-7-23
I didn't change a thing, I have no reason for lying. Maybe the bug was related with the fact that I was using the matlabcontrol java API and calling that MATLAB function a lot during the execution of a genetic algorithm. MATLAB was throwing me that error only sometimes and sometimes it worked fine. After several runs of my Java program the error stopped appearing in MATLAB. I really could not figure out what happened back there. Anyways, thanks a lot for the answers, I'll use the debugger in the future for sure if something goes wrong (even though usually I don't have to because MATLAB points me at the line where the error happened, only this time it wasn't).
Cedric
Cedric 2013-7-23
I don't think that Jan wanted to suggest that you were lying, but sometimes when we debug code, we check things out by e.g. commenting a few lines at different/random places, and we end up being unable of reproducing the bug when we want to ;-)

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Sean de Wolski
Sean de Wolski 2013-7-22

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dbstop if error
Then run your code. This will stop with the debugger on the offending line and you will be able to see what is happening.

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