How do I Plot density probability values over a histogram as colormap?

2018 6 6
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更新时间：2018 6 6
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I have a histogram as follows:

First, I want to know how to plot probability density values as colormap over it.

second, is there any way I can retreive X_data versus corresponding normalized frequency as two separate vectors?

Thanks

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Image Analyst
Image Analyst 2018-6-6

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I don't know what "plot probability density values as colormap over it." means. Please attach a screenshot of what you'd like to see.
The histogram() function returns an object that has the x values (bin edges), as well as the y values (counts) and a whole bunch of other things. Look at is in the variable editor.
histObject = histogram(yourData)

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Thank you very much
What I'm actually looking for to plot the frequency, or normalized frequncys as color on each bean. Not sure if it has a readily available function or I need to develop my own.
COnsider the following cdf histogram:
I just want to color each bean with its associated value for better illustration purposes. Is it possible to do so?

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