devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

backport 963931: fix linearRegression

Browse Source
This commit is contained in:
Benoit Jacob
2009-05-05 16:52:10 +00:00
parent 487edbf325
commit c9edcc5acd
2 changed files with 31 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Eigen/src/LeastSquares/LeastSquares.h
View File

@@ -57,7 +57,7 @@
Vector3d coeffs; // will store the coefficients a, b, c
linearRegression(
5,
points,
&points,
&coeffs,
1 // the coord to express as a function of
// the other ones. 0 means x, 1 means y, 2 means z.
@@ -108,14 +108,14 @@ void linearRegression(int numPoints,
result->resize(size);
Matrix<Scalar, Dynamic, VectorType::SizeAtCompileTime,
Dynamic, VectorType::MaxSizeAtCompileTime, RowMajorBit>
RowMajor, Dynamic, VectorType::MaxSizeAtCompileTime>
m(numPoints, size);
if(funcOfOthers>0)
for(int i = 0; i < numPoints; ++i)
m.row(i).start(funcOfOthers) = points[i]->start(funcOfOthers);
if(funcOfOthers<size-1)
for(int i = 0; i < numPoints; ++i)
m.row(i).block(funcOfOthers, size-funcOfOthers-1)
m.row(i).segment(funcOfOthers, size-funcOfOthers-1)
= points[i]->end(size-funcOfOthers-1);
for(int i = 0; i < numPoints; ++i)
m.row(i).coeffRef(size-1) = Scalar(1);