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19 lines
489 B
C++
19 lines
489 B
C++
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#include <iostream>
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#include <Eigen/Dense>
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using namespace Eigen;
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int main()
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{
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MatrixXd m(2,5);
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m.resize(4,3);
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std::cout << "The matrix m is of size "
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<< m.rows() << "x" << m.cols() << std::endl;
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std::cout << "It has " << m.size() << " coefficients" << std::endl;
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VectorXd v(2);
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v.resize(5);
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std::cout << "The vector v is of size " << v.size() << std::endl;
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std::cout << "As a matrix, v is of size "
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<< v.rows() << "x" << v.cols() << std::endl;
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}
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