Plot concentration range respectively density from 2D array
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Hello,
I have an array with two columns with measurement data. Now I want to show the concentration range of my measurement. It should be a histogram in form of something like a contour line plot or filled contour plot with a color bar which displays the current colormap (see pictures).
Version: R2012b
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/192665/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/192666/image.png)
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jonas
le 27 Juil 2018
Modifié(e) : jonas
le 27 Juil 2018
"It should be a histogram in form of something like a contour line plot or filled contour plot with a color bar which displays the current colormap (see pictures)."
This sentence makes little sense to me. What is the nature of your data? What do you want on the colorbar, bin count?
As a sidenote, you should probably update your MATLAB.
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jonas
le 27 Juil 2018
See this thread on density plots using hist3 and contourf
https://se.mathworks.com/matlabcentral/answers/409660-can-i-use-contourf-with-two-matrices
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