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Plot concentration range respectively density from 2D array

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leonidas86
leonidas86 on 27 Jul 2018
Answered: jonas on 27 Jul 2018
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
.

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jonas
jonas on 27 Jul 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.
leonidas86
leonidas86 on 27 Jul 2018
I want to show how many value pairs fall in a specific area. So the colorbar should display the bin count.

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Accepted Answer

jonas
jonas on 27 Jul 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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