ground/gcs/src/libs/eigen/doc/snippets/HouseholderQR_solve.cpp

   1 typedef Matrix<float,3,3> Matrix3x3;
   2 Matrix3x3 m = Matrix3x3::Random();
   3 Matrix3f y = Matrix3f::Random();
   4 cout << "Here is the matrix m:" << endl << m << endl;
   5 cout << "Here is the matrix y:" << endl << y << endl;
   6 Matrix3f x;
   7 x = m.householderQr().solve(y);
   8 assert(y.isApprox(m*x));
   9 cout << "Here is a solution x to the equation mx=y:" << endl << x << endl;