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diff scripts/linear-algebra/cond.m @ 3265:a2b3a1413d28

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[project @ 1999-09-03 02:53:03 by jwe]
author jwe
date Fri, 03 Sep 1999 02:53:10 +0000
parents ae3bdfd82f91
children f16c2ce14886
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line diff
--- a/scripts/linear-algebra/cond.m
+++ b/scripts/linear-algebra/cond.m
@@ -17,12 +17,13 @@
 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 ## 02111-1307, USA.
 
-## usage: cond (a)
+## usage: cond (A)
 ##
-## Return the condition number of a, computed using the singular values
-## of a.
+## Return the condition number of A, computed using the singular values
+## of A.  If the maximum and minimum singular values of A are both zero,
+## cond returns Inf rather than NaN.
 ##
-## See also: norm, svd
+## See also: norm, svd, rank
 
 ## Author: jwe