Eigen库 矩阵基本操作:转置矩阵,逆矩阵,伴随矩阵,特征值

#include
#include "Eigen\Dense"
using namespace Eigen;
using namespace std;
int main()
{
    Matrix3d Mat1;
    Mat1 << 1, 2, 3,
        4, 6, 8,
        7, 9, 9;
    cout << "Mat1=\n" << Mat1 << endl;
    cout << "Mat1转置矩阵:\n" << Mat1.transpose() << endl;
    cout << "Mat1伴随矩阵:\n" << Mat1.adjoint() << endl;
    cout << "Mat1逆矩阵:\n" << Mat1.inverse() << endl;
    cout << "Mat1行列式:\n" << Mat1.determinant() << endl;
    SelfAdjointEigenSolvereigensover(Mat1);
    if (eigensover.info() != Success) abort();
    cout << "特征值:\n" << eigensover.eigenvalues() << endl;
    cout << "特征向量:\n" << eigensover.eigenvectors() << endl;
}

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