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eigen/doc/snippets/SelfAdjointEigenSolver_SelfAdjointEigenSolver.cpp
2026-02-22 10:04:40 -08:00

8 lines
364 B
C++

SelfAdjointEigenSolver<Matrix4f> es;
Matrix4f X = Matrix4f::Random(4, 4);
Matrix4f A = X + X.transpose();
es.compute(A);
cout << "The eigenvalues of A are: " << es.eigenvalues().transpose() << endl;
es.compute(A + Matrix4f::Identity(4, 4)); // reuse es to compute eigenvalues of A+I
cout << "The eigenvalues of A+I are: " << es.eigenvalues().transpose() << endl;