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diff etc/NEWS.8.md @ 31026:f03e1eebf46d

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perms.m: Add new input option "unique" to return only unique permutations (bug #60364) perms.m: Add new function to return only unique permutations, expand input validation, expand docstring. NEWS.8.md: Add note about perms taking a new input option.
author Arun Giridhar <arungiridhar@gmail.com>
date Wed, 25 May 2022 17:58:13 -0400
parents cb9451780a15
children 451fb63a10a0
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--- a/etc/NEWS.8.md	Wed May 25 15:12:00 2022 -0400
+++ b/etc/NEWS.8.md	Wed May 25 17:58:13 2022 -0400
@@ -11,6 +11,11 @@
 - `integral` can now output a second argument passing the error
 parameter from the underlying integrator.
 
+- `perms` now accepts a second argument "unique" to return only unique
+permutations for inputs with repeated elements.  It is faster and takes
+less memory to call `perms ('aaaabbbbcccc', "unique")` than to call
+`unique (perms ('aaaabbbbcccc'), "rows")`.
+
 ### Graphical User Interface