Mercurial > hg > octave-lyh

diff src/data.cc @ 3095:528f4270e904

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[project @ 1997-11-14 03:58:45 by jwe]
author jwe
date Fri, 14 Nov 1997 03:59:32 +0000
parents 38de16594cb4
children 292ff0bf484b
line wrap: on
line diff
--- a/src/data.cc
+++ b/src/data.cc
@@ -688,7 +688,13 @@
 }
 
 DEFUN (sumsq, args, ,
-  "sumsq (X): sum of squares of elements")
+  "sumsq (X): sum of squares of elements.\n\
+\n\
+This function is equivalent to computing\n\
+\n\
+  sum (X .* conj (X))\n\
+\n\
+but it uses less memory and avoids calling conj if X is real.")
 {
   octave_value_list retval;