xref: /aosp_15_r20/external/eigen/doc/snippets/MatrixBase_diagonal.cpp (revision bf2c37156dfe67e5dfebd6d394bad8b2ab5804d4)

Matrix3i m = Matrix3i::Random();
cout << "Here is the matrix m:" << endl << m << endl;
cout << "Here are the coefficients on the main diagonal of m:" << endl
     << m.diagonal() << endl;