Merge commit '4ebe6417a5fce5f0994fc0c31bebf732be96a07c' as 'boost'

boost/libs/numeric/ublas/doc/samples/matrix_matrix_binary.cpp

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+//
+//  Copyright (c) 2000-2002
+//  Joerg Walter, Mathias Koch
+//
+//  Distributed under the Boost Software License, Version 1.0. (See
+//  accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+//  The authors gratefully acknowledge the support of
+//  GeNeSys mbH & Co. KG in producing this work.
+//
+
+#include <boost/numeric/ublas/matrix.hpp>
+#include <boost/numeric/ublas/io.hpp>
+
+int main () {
+    using namespace boost::numeric::ublas;
+    matrix<double> m1 (3, 3), m2 (3, 3);
+    for (unsigned i = 0; i < (std::min) (m1.size1 (), m2.size1 ()); ++ i)
+        for (unsigned j = 0; j < (std::min) (m1.size2 (), m2.size2 ()); ++ j)
+            m1 (i, j) = m2 (i, j) = 3 * i + j;
+
+    std::cout << prod (m1, m2) << std::endl;
+}
+