changeset 27953:55a2bbb9a71e

NEWS: Announce changes to quadv and quadgk. * NEWS: Announce changes to quadv and quadgk.
author Rik <rik@octave.org>
date Fri, 17 Jan 2020 08:12:58 -0800
parents 6d35ab1cd544
children cbabcd7bb6c3
files NEWS
diffstat 1 files changed, 7 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/NEWS	Thu Jan 16 20:58:34 2020 -0800
+++ b/NEWS	Fri Jan 17 08:12:58 2020 -0800
@@ -27,6 +27,13 @@
   uniform density (# of random integers / length along real number
   line).
 
+- Numerical integration has been improved.  The `quadv` function has
+  been re-written so that it can compute integrands of periodic
+  functions.  At the same time, performance is better with ~3.5X fewer
+  function evaluations required.  A bug in `quadgk` that caused complex
+  path integrals specified with `"Waypoints"` to occasionally be
+  calculated in the opposite direction was fixed.
+
 - The `edit` function option `"editinplace"` now defaults to `true` and
   the option `"home"` now defaults to the empty matrix `[]`.  Files will
   no longer be copied to the user's HOME directory for editing.  The old