Files
rk35xx-android14/external/eigen/doc/examples/TutorialLinAlgSelfAdjointEigenSolver.cpp
T
hmz007 36ed224bac Rockchip Anroid14_SDK 20240628-rkr5 (2556df1a)
Signed-off-by: hmz007 <hmz007@gmail.com>
Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
2024-10-29 18:12:02 +08:00

19 lines
534 B
C++

#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;
}