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changeset 7616:fb4fa07bc364

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more checks for subspace
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 20 Mar 2008 12:06:07 -0400
parents 25eacc0c2706
children 9dca8b03dfe8
files scripts/ChangeLog scripts/linear-algebra/subspace.m
diffstat 2 files changed, 4 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -6,8 +6,8 @@
 
 2008-03-20  Jaroslav Hajek  <highegg@localhost.localdomain>
 
-	* linear-algebra/subspace.m: Check number of arguments and number
-	of dimensions of arguments.
+	* linear-algebra/subspace.m: Check number of arguments, number
+	of dimensions of arguments and matching dimensions.
 
 2008-03-19  Jaroslav Hajek  <highegg@gmail.com>
 
--- a/scripts/linear-algebra/subspace.m
+++ b/scripts/linear-algebra/subspace.m
@@ -38,6 +38,8 @@
     print_usage ();
   elseif (ndims (a) != 2 || ndims (b) != 2)
     error ("subspace: expecting A and B to be 2-dimensional arrays");
+  elseif (rows (a) != rows (b))
+    error ("subspace: column dimensions of a and b must match")
   endif
 
   a = orth (a);