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8 lines
468 B
C++
8 lines
468 B
C++
typedef Matrix<float, Dynamic, 2> DataMatrix;
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// 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);
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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 = (samples.adjoint() * samples).llt().solve((samples.adjoint() * elevations));
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cout << xy << endl;
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