LLT_solve.cpp
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1 typedef Matrix<float,Dynamic,2> DataMatrix;
2 // let's generate some samples on the 3D plane of equation z = 2x+3y (with some noise)
3 DataMatrix samples = DataMatrix::Random(12,2);
4 VectorXf elevations = 2*samples.col(0) + 3*samples.col(1) + VectorXf::Random(12)*0.1;
5 // and let's solve samples * [x y]^T = elevations in least square sense:
6 Matrix<float,2,1> xy
7  = (samples.adjoint() * samples).llt().solve((samples.adjoint()*elevations));
8 cout << xy << endl;
llt
EIGEN_DONT_INLINE void llt(const Mat &A, const Mat &B, Mat &C)
Definition: llt.cpp:5
xy
Matrix< float, 2, 1 > xy
Definition: LLT_solve.cpp:7
DataMatrix
Matrix< float, Dynamic, 2 > DataMatrix
Definition: LLT_solve.cpp:1
samples
DataMatrix samples
Definition: LLT_solve.cpp:3
elevations
VectorXf elevations
Definition: LLT_solve.cpp:4


gtsam
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autogenerated on Sat Nov 16 2024 04:02:43