Comments on: Euclidean Distance Matrices http://www.tangentspace.net/cz/archives/2007/10/euclidean-distance-matrices/ somewhere near the beginning. Fri, 21 Nov 2008 20:10:39 +0000 http://wordpress.org/?v=2.5 By: andrew corrigan http://www.tangentspace.net/cz/archives/2007/10/euclidean-distance-matrices/#comment-219320 andrew corrigan Sat, 27 Oct 2007 02:53:15 +0000 http://www.tangentspace.net/cz/archives/2007/10/euclidean-distance-matrices/#comment-219320 Where does the nonsingularity come from? I'm pretty sure that the norm is just conditionally negative definite, so it doesn't come from positive or negative definiteness. I prefer the Wendland functions, since they lead to sparse and positive definite interpolation matrices. Where does the nonsingularity come from? I’m pretty sure that the norm is just conditionally negative definite, so it doesn’t come from positive or negative definiteness.

I prefer the Wendland functions, since they lead to sparse and positive definite interpolation matrices.

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