# HG changeset patch # User Jaroslav Hajek # Date 1249307610 -7200 # Node ID bca39c365fda1d566bd40dfcef8c494aaffc6f47 # Parent d9716e3ee0ddb0477491f5db1e87fc029a03415e update NEWS diff -r d9716e3ee0dd -r bca39c365fda ChangeLog --- a/ChangeLog Mon Aug 03 15:52:40 2009 +0200 +++ b/ChangeLog Mon Aug 03 15:53:30 2009 +0200 @@ -1,3 +1,7 @@ +2009-08-03 Jaroslav Hajek + + * NEWS: Update. + 2009-07-27 Jaroslav Hajek * NEWS: Update. diff -r d9716e3ee0dd -r bca39c365fda NEWS --- a/NEWS Mon Aug 03 15:52:40 2009 +0200 +++ b/NEWS Mon Aug 03 15:53:30 2009 +0200 @@ -12,6 +12,11 @@ no longer needed to avoid repeated indexing by logical arrays using `find' for performance reasons. + ** sub2ind and ind2sub were reimplemented as compiled functions for better + performance. These functions are now faster, can deliver more economized + results for ranges, and can reuse the index cache mechanism described in + previous paragraph. + ** The built-in function equivalents to associative operators (plus, times, mtimes, and, or) have been extended to accept multiple arguments. This is especially useful for summing (multiplying, etc.) lists of objects