devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

get rid of using namespace Eigen in sample code

Browse Source
This commit is contained in:
Erik Schultheis
2021-12-07 19:57:38 +00:00
committed by Rasmus Munk Larsen
parent e4c40b092a
commit 39a6aff16c
58 changed files with 274 additions and 399 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
doc/examples/TutorialLinAlgSelfAdjointEigenSolver.cpp
View File

@@ -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;
}