- k ), (1)where x represents the data, and k is an integer subscript specifying a particular cluster.Clusters are ellipsoidal, centered at the means k . The covariances # k determine their othergeometric features.# Funded by the O#ce of Naval Research under contracts N00014-96-1-0192 and N00014-96-1-0330.1MathSoft, Inc., Seattle, WA USA --- <a href="http://citeseer.ist.psu.edu/rd/0/http%3AqSqqSqwww.mathsoft.comqSqsplus" onmouseover="self.status="http://www.mathsoft.com/splus"; return true" onmouseout="self.status=""; return true">http://www.mathsoft.com/splus</a>2see <a href="http://citeseer.ist.psu.edu/rd/0/http%3AqSqqSqlib.stat.cmu.eduqSqRqSqCRAN" onmouseover="self.status="http://lib.stat.cmu.edu/R/CRAN"; return true" onmouseout="self.status=""; return true">http://lib.stat.cmu.edu/R/CRAN</a>1Each covariance matrix is parameterized by eigenvalue...