Index: matrix.hpp
===================================================================
--- matrix.hpp	(revision 56104)
+++ matrix.hpp	(working copy)
@@ -2446,11 +2446,13 @@
         void resize (size_type size, bool preserve = true) {
             size1_ = size;
             size2_ = size;
+            size_common_ = ((std::min)(size1_, size2_));
         }
         BOOST_UBLAS_INLINE
         void resize (size_type size1, size_type size2, bool /*preserve*/ = true) {
             size1_ = size1;
             size2_ = size2;
+            size_common_ = ((std::min)(size1_, size2_));
         }
 
         // Element access