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Re: Covariance Matrices in RhoCandidates [message #16343 is a reply to message #16237] Wed, 16 April 2014 18:01 Go to previous messageGo to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
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From: *to.infn.it
Sorry but I have not well understood, please excuse my ignoramce.
I suppose there can be negative values inside the covariance matrix, apart from the diagonal elements which must be positive. Now, how the eigenvectors enter and play a role? Are negative eigenvectors really problematic?
 
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