diff NEWS @ 8755:59c0fde890a0

more NEWS updates
author Jaroslav Hajek <highegg@gmail.com>
date Mon, 16 Feb 2009 10:53:46 +0100
parents 5a7494ee68a3
children 949708f930d0
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--- a/NEWS	Mon Feb 16 10:40:10 2009 +0100
+++ b/NEWS	Mon Feb 16 10:53:46 2009 +0100
@@ -79,7 +79,10 @@
     The fsolve function now accepts an option structure argument (see
     also the optimset function).  The INFO values returned from fsolve
     have changed to be compatible with Matlab's fsolve function.
-    Additionally, fsolve is now able to solve overdetermined systems.
+    Additionally, fsolve is now able to solve overdetermined systems,
+    complex-differentiable complex systems, systems with a sparse
+    jacobian and can work in single precision if given single precision
+    inputs. It can also be called recursively.
 
  ** Object Oriented Programming.
 
@@ -186,10 +189,17 @@
     completely rewritten and so the indexing of arrays is now
     significantly faster.
 
+ ** Improved memory management.
+
+    Octave will now attempt to share data in some cases where previously
+    a copy would be made, such as certain array slicing operations or
+    conversions between cells, structs and cs-lists. This usually reduces
+    both time and memory consumption.
+
  ** Improved performance for reduction operations.
 
-    The performance of the sum, prod, sumsq, cumsum, and cumprod
-    functions has been significantly improved.
+    The performance of the sum, prod, sumsq, cumsum, cumprod, any, all,
+    max and min functions has been significantly improved.
 
  ** Diagonal and permutation matrices.