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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)
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DataMatrix
samples
= DataMatrix::Random(12,2);
4
VectorXf
elevations
= 2*
samples
.col(0) + 3*
samples
.col(1) + VectorXf::Random(12)*0.1;
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// and let's solve samples * [x y]^T = elevations in least square sense:
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Matrix<float,2,1>
xy
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= (
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
Author(s):
autogenerated on Fri Nov 1 2024 03:33:07