Get properties of histogram in MATLAB r2012a
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Bianca Elena Ivanof
2016 年 4 月 12 日
コメント済み: Bianca Elena Ivanof
2016 年 4 月 12 日
Hey
I am trying to plot a histogram as follows:
x= [1 2 3 4 5];
nbins = 20;
histogram = hist(x,nbins)
However, what I obtain is histogram = count nbins (as if I used the count function) and not a figure; because of this, if I try to get the properties of the figure using get(histogram) I get an error.
I tried only hist(x,nbins), without naming the histogram as above, and that does give me a figure. But then, when I try to get the properties of the figure using get(hist(x,nbins) I get an error.
What I am trying to achieve is to create a histogram, get its properties and then play around with them using 'set'. For that I need to be able to first name the histogram, I assume.
Could anyone please help me?
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Guillaume
2016 年 4 月 12 日
Matlab replaced hist with histogram in newer versions of matlab partly because of this silly behaviour.
You have to use hist without any output argument for it to create a figure (or reuse an existing one). It uses the current axes in the current figure. So you could just query these afterward with gca and gcf respectively:
hist(x, nbins); %create histogram in current axes of current figure. If none exist, create them
hfig = gcf; %handle to current figure
hax = gca; %handle to current axes
set(hax, 'XTick', 1:5);
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