Mercurial > octave-nkf
diff NEWS @ 9352:b59cc3252a51
NEWS update
author | Jaroslav Hajek <highegg@gmail.com> |
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date | Mon, 15 Jun 2009 16:40:04 +0200 |
parents | 1500d0197484 |
children | 3cf6a0f9a7a7 |
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--- a/NEWS Mon Jun 15 12:52:53 2009 +0200 +++ b/NEWS Mon Jun 15 16:40:04 2009 +0200 @@ -1,3 +1,17 @@ +Summary of important user-visible changes for version 3.3: +--------------------------------------------------------- + + ** The `lookup' function was extended to be more useful for general-purpose + binary searching. Using this improvement, the ismember function was + rewritten for significantly better performance. + + ** Real, integer and logical matrices, when used in indexing, will now + cache the internal index_vector value (zero-based indices) when + successfully used as indices, eliminating the conversion penalty for + subsequent indexing by the same matrix. In particular, this means it is + no longer needed to avoid repeated indexing by logical arrays using + `find' for performance reasons. + Summary of important user-visible changes for version 3.2: ---------------------------------------------------------