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I have a series of X,Y coordinates: 
"John" 
Subject: Boundary of group of points From: Roger Stafford Date: 19 Mar, 2009 19:42:02 Message: 3 of 10 
"John" <johnsengenberger@hotmail.com> wrote in message <gpu68a$nat$1@fred.mathworks.com>... 
Subject: Boundary of group of points From: Roger Stafford Date: 19 Mar, 2009 19:59:01 Message: 4 of 10 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <gpu76a$snp$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <gpu76a$snp$1@fred.mathworks.com>... 
"Roger Stafford" 
Subject: Boundary of group of points From: Roger Stafford Date: 19 Mar, 2009 20:38:01 Message: 7 of 10 
"John" <johnsengenberger@hotmail.com> wrote in message <gpu8uh$q$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <gpuaf9$e8o$1@fred.mathworks.com>... 
"John" 
"us" 
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