comparison toolboxes/FullBNT-1.0.7/KPMtools/logdet.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function y = logdet(A)
+% log(det(A)) where A is positive-definite.
+% This is faster and more stable than using log(det(A)).
+
+%  From Tom Minka's lightspeed toolbox
+
+U = chol(A);
+y = 2*sum(log(diag(U)));