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diff --git a/src/math/ts/ChangeLog b/src/math/ts/ChangeLog
index 0fbeb23e08..a353ffce1a 100644
--- a/src/math/ts/ChangeLog
+++ b/src/math/ts/ChangeLog
@@ -1,3 +1,18 @@
+2006-07-16  Jason Stover  <jhs@math.gcsu.edu>
+
+	* innovations.c (get_coef): Fixed diagonal elements and call to
+	innovations_convolve().
+	(subtract_mean): New function. Subtract the mean before computing
+	the coefficients.
+
+2006-07-15  Jason Stover  <jhs@math.gcsu.edu>
+
+	* innovations.c (get_covariance): Fixed computation of
+	covariance. Made COV[i] the lag i covariance.
+	(update_cov): New function.
+	(get_covariance): Use gsl_vector_view's to get rows of correct
+	lag.
+
 2006-07-14  Jason Stover  <jhs@math.gcsu.edu>
 
 	* innovations.c (innovations_struct_init): Fix initialization of