15 lines
198 B
C++
15 lines
198 B
C++
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#include <Eigen/Dense>
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#include <iostream>
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using namespace Eigen;
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int main()
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{
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MatrixXf m(3,3);
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m << 1,2,3,
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4,5,6,
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7,8,9;
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std::cout << m.block(0,0,2,2) << std::endl;
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}
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