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#include <iostream>
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#include <Eigen/Dense>
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using namespace Eigen;
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using namespace std;
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int main()
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{
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Matrix3d m = Matrix3d::Random();
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m = (m + Matrix3d::Constant(1.2)) * 50;
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cout << "m =" << endl << m << endl;
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Vector3d v(1,2,3);
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cout << "m * v =" << endl << m * v << endl;
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}
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