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diff --git a/doc/examples/TutorialLinAlgSelfAdjointEigenSolver.cpp b/doc/examples/TutorialLinAlgSelfAdjointEigenSolver.cpp
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+#include <iostream>
+#include <Eigen/Dense>
+
+using namespace std;
+using namespace Eigen;
+
+int main()
+{
+ Matrix2f A;
+ A << 1, 2, 2, 3;
+ cout << "Here is the matrix A:\n" << A << endl;
+ SelfAdjointEigenSolver<Matrix2f> eigensolver(A);
+ if (eigensolver.info() != Success) abort();
+ cout << "The eigenvalues of A are:\n" << eigensolver.eigenvalues() << endl;
+ cout << "Here's a matrix whose columns are eigenvectors of A \n"
+ << "corresponding to these eigenvalues:\n"
+ << eigensolver.eigenvectors() << endl;
+}