Go to the documentation of this file.00001 #include <Eigen/Core>
00002 #include <Eigen/LU>
00003 #include <Eigen/QR>
00004 #include <Eigen/Cholesky>
00005 #include <Eigen/Geometry>
00006 #include <Eigen/Jacobi>
00007 #include <Eigen/Eigenvalues>
00008 #include <iostream>
00009
00010 using namespace Eigen;
00011 using namespace std;
00012
00013 int main(int, char**)
00014 {
00015 cout.precision(3);
00016 Matrix4d m = Vector4d(1,2,3,4).asDiagonal();
00017 cout << "Here is the matrix m:" << endl << m << endl;
00018 cout << "Here is m.fixed<2, 2>(2, 2):" << endl << m.block<2, 2>(2, 2) << endl;
00019 m.block<2, 2>(2, 0) = m.block<2, 2>(2, 2);
00020 cout << "Now the matrix m is:" << endl << m << endl;
00021
00022 return 0;
00023 }