Colorbar error - how to fix it?

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Mikkel 2012-11-16

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https://ww2.mathworks.cn/matlabcentral/answers/53874-colorbar-error-how-to-fix-it

移动：DGM 2023-3-5

I am currently experiencing problems with the matlab colorbar. In the beginning i thought it was an error with my script, but now i am convinced it is an error with matlab since even the most basic uses yields this error. It must be something interacting with matlab, because the error is unique to this machine and didnt always occur on this machine. I have tried uninstalling and installing the same version of matlab and even a never version to be sure, with no luck.

The error presents itself as many numbers being printed on the colorbar instead of what is expected. For example:

surf(peaks(30))

Gives this figure:

however when i click the colorbar button or use the command

colorbar

I get this figure:

It is very weird to me since it is so basic (i only need two commands to make this error). It should be noted if i try to save the figure as an image it will save the right figure, but with no colorbar or numbers. That is why i took the screenshot for the second figure. Anyone have any idea as to what might be causing this? I am at the point now where i am seriously considering reformatting my computer because of this, but it would be nice to at least have an idea as to what could be causing this, to make sure it doesnt just happen again in the future.

Kind regards, Mikkel Gram

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Jan 2012-11-16

编辑：Jan 2012-11-16

@Daniel: Overloading built-in function appeared three times today already. You hit a critical point: The more functions are included in Matlab's toolboxes, the more likely is a collision. For a reliable code creation, the programmer needs a tool to detect collisions urgently. There are some mechanisms already, e.g. when you include a new folder to the path a warning appears when a built-in function is shadowed. But this does not work reliably.

Mikkel 2012-11-16

it is very alternative but i am afraid most journals these days are not ready for this level of artistic expression in their publications :) I know no functions have been overloaded as i tried it from clean install and removed all functions from the path.

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