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Using LU decomposition with complete pivoting for better accuracy.

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Jeff
2014-06-23 19:04:52 -06:00
parent 957c2c291b
commit b59f045c07
2 changed files with 4 additions and 3 deletions
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5
unsupported/Eigen/src/Splines/SplineFitting.h
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@@ -17,6 +17,7 @@
#include "SplineFwd.h"
#include <Eigen/LU>
#include <Eigen/QR>
namespace Eigen
@@ -404,8 +405,8 @@ namespace Eigen
A(n - 1, n - 1) = 1;
// Solve
HouseholderQR<MatrixType> qr(A);
ControlPointVectorType controlPoints = qr.solve(MatrixType(b.transpose())).transpose();
FullPivLU<MatrixType> lu(A);
ControlPointVectorType controlPoints = lu.solve(MatrixType(b.transpose())).transpose();
SplineType spline(knots, controlPoints);