Mark clusters by circle

Hi,

I have clustered my data and plotted them via scatter plot usng different colors, now how could I mark each clusters by an bounding circle??

any idea

Answer 1

[Image Analyst]

Extract each cluster by itself (i.e. one at a time), then pass each in to John D'Errico's function: incircle(): http://www.mathworks.com/matlabcentral/fileexchange/34767-a-suite-of-minimal-bounding-objects