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-rwxr-xr-xreport2/paper.md3
1 files changed, 2 insertions, 1 deletions
diff --git a/report2/paper.md b/report2/paper.md
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@@ -143,7 +143,8 @@ the local minimum achieved at 60 clusters (figure \ref{fig:kmeans}). ###EXPLAIN
We were not able to achieve significant improvements using mahalanobis for
original distance ranking compared to square euclidiaen metrics. Results can
be observed using the `-m|--mahalanobis` when running evalution with the
-repository complimenting this paper.
+repository complimenting this paper. It has been verified that the inverse
+covariance matrix used is PSD, satisfying $d_a(x_1,x_2) \geq 0$.
# Conclusion