MATLAB: Eliminating marks on bar graph

barhistogramMATLABplotting

Hello,

When I use the bar() plotting function, and input a given data set, for a particular binning (in the x-axis), the function plots the centers of the bins using the marker '*' on the x-axis, by default. I would like to remove these '*' marks on the x-axis. How do I write this in a code? I can do it using the GUI, but need it to be done via command line.

Regards,

Best Answer

I’ve seen this problem mentioned before. It is a default behaviour of bar. There is a posted fix for it here: How can I prevent or remove the asterisk annotations on my BAR plot in MATLAB 7.6 (R2008a)?

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MATLAB: Bar plot… problem with * marks

The stars are an odd peculiarity of the 'histc' option... I'm not sure what the original programmer's motivation was, but if your bin widths are not even, markers are placed along the x-axis at each bin edge. The handle to this line object isn't returned, so you'll have to handle-dive to get rid of them:

 delete(findobj('marker', '*'));

I'd be curious to know where this convention came from... I use the 'histc' option with bar all the time, but it is an undocumented legacy option (and is implemented via barV6.m, which "is undocumented and may change in a future release"), so I too discovered the * behavior accidentally.

MATLAB: Bar plot set ylimit for the axis

Try this instead:

ylim([0.11,0.125])

That should work.

Best Answer

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MATLAB: Bar plot… problem with * marks

MATLAB: Bar plot set ylimit for the axis

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