INDEX, NEWS: Add 'cumprod', 'cumsum' and 'ztrans.'

Fixes gnu-octave#1128 and closes gnu-octave#853.
alexvong243f · May 10, 2022 · 96abae5 · 96abae5
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diff --git a/INDEX b/INDEX
@@ -91,6 +91,8 @@ Mathematical methods for symbolic objects
  @sym/csch
  @sym/csc
  @sym/ctranspose
+ @sym/cumprod
+ @sym/cumsum
  @sym/curl
  @sym/dawson
  @sym/degree
@@ -221,6 +223,7 @@ Mathematical methods for symbolic objects
  @sym/union
  @sym/unique
  @sym/zeta
+ @sym/ztrans
 Methods for manipulating symbolic objects:
  @sym/argnames
  @sym/char

diff --git a/NEWS b/NEWS
@@ -1,6 +1,12 @@
 octsympy 2.9.0+
 ===============
 
+  * New symbolic commands:
+
+          cumprod
+          cumsum
+          ztrans
+
   * Fixes for SymPy 1.6 and later.
 
   * Fixes for Octave 6.x and Octave 7.1.