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19 lines
617 B
C++
19 lines
617 B
C++
#include <boost/numeric/ublas/symmetric.hpp>
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#include <boost/numeric/ublas/io.hpp>
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int main () {
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using namespace boost::numeric::ublas;
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matrix<double> m (3, 3);
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symmetric_adaptor<matrix<double>, lower> sal (m);
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for (unsigned i = 0; i < sal.size1 (); ++ i)
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for (unsigned j = 0; j <= i; ++ j)
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sal (i, j) = 3 * i + j;
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std::cout << sal << std::endl;
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symmetric_adaptor<matrix<double>, upper> sau (m);
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for (unsigned i = 0; i < sau.size1 (); ++ i)
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for (unsigned j = i; j < sau.size2 (); ++ j)
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sau (i, j) = 3 * i + j;
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std::cout << sau << std::endl;
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}
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