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

2013 7 3

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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 2013-7-3

编辑：Walter Roberson 2013-7-3

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You could make a small adaptation of http://www.mathworks.com/matlabcentral/fileexchange/41185

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yaewon lee 2017-4-23

i cannot access the file anymore ...

Walter Roberson 2017-4-23

Perhaps a modification of http://www.mathworks.com/matlabcentral/fileexchange/31726-data-density-plot

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2013-7-3

Walter Roberson

2017-4-23

Walter Roberson

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