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ADD: added other eigen lib

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This commit is contained in:
Henry Winkel
2022-12-21 16:19:04 +01:00
parent a570766dc6
commit 9e56c7f2c0
832 changed files with 36586 additions and 20006 deletions
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17
libs/eigen/doc/examples/TutorialLinAlgSelfAdjointEigenSolver.cpp
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@@ -1,18 +1,15 @@
#include <iostream>
#include <Eigen/Dense>
using namespace std;
using namespace Eigen;
int main()
{
Matrix2f A;
Eigen::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"
std::cout << "Here is the matrix A:\n" << A << std::endl;
Eigen::SelfAdjointEigenSolver<Eigen::Matrix2f> eigensolver(A);
if (eigensolver.info() != Eigen::Success) abort();
std::cout << "The eigenvalues of A are:\n" << eigensolver.eigenvalues() << std::endl;
std::cout << "Here's a matrix whose columns are eigenvectors of A \n"
<< "corresponding to these eigenvalues:\n"
<< eigensolver.eigenvectors() << endl;
<< eigensolver.eigenvectors() << std::endl;
}