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30 lines
1.1 KiB
C++
30 lines
1.1 KiB
C++
//
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// Copyright (c) 2000-2002
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// Joerg Walter, Mathias Koch
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appear in all copies and
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// that both that copyright notice and this permission notice appear
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// in supporting documentation. The authors make no representations
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// about the suitability of this software for any purpose.
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// It is provided "as is" without express or implied warranty.
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//
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// The authors gratefully acknowledge the support of
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// GeNeSys mbH & Co. KG in producing this work.
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//
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#include <boost/numeric/ublas/banded.hpp>
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#include <boost/numeric/ublas/io.hpp>
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#include <boost/minmax.hpp>
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int main () {
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using namespace boost::numeric::ublas;
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banded_matrix<double> m (3, 3, 1, 1);
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for (signed i = 0; i < signed (m.size1 ()); ++ i)
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for (signed j = std_max (i - 1, 0); j < std_min (i + 2, signed (m.size2 ())); ++ j)
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m (i, j) = 3 * i + j;
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std::cout << m << std::endl;
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}
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