How can I make a contour map from a scatter plot?

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Sandy
Sandy 2013-7-3
评论： Walter Roberson 2017-4-23
I have a set of x-y coordinates of points (around 100,000 of them) and I want to make a contour map of their concentration in the x-y plane. In other words, closer contours in areas where there are a larger number of points. Does anyone have any suggestions on how I might go about this?

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Walter Roberson
Walter Roberson 2013-7-3
编辑：Walter Roberson 2013-7-3
You could make a small adaptation of http://www.mathworks.com/matlabcentral/fileexchange/41185

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