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May 29, 2012 at 13:03 history edited Luke Mathieson CC BY-SA 3.0
added 232 characters in body
May 29, 2012 at 13:01 comment added Luke Mathieson Good point. I'll edit the original post to note the problem.
May 29, 2012 at 12:36 comment added Tsuyoshi Ito How do you enforce that c(ij)=c(ji)? This is not necessarily true in the problem in question, if I understand it correctly.
May 29, 2012 at 12:06 history answered Luke Mathieson CC BY-SA 3.0