AlgebraicSymMatrix parametersError() const override
Return just "(sigma_x)^2".
LocalError localPositionError() const override=0
Error on the local position.
CLHEP::HepMatrix AlgebraicMatrix
AlgebraicVector parameters() const override
Return just the x.
CLHEP::HepVector AlgebraicVector
static const AlgebraicMatrix initializeMatrix()
LocalPoint localPosition() const override=0
Local position.
CLHEP::HepSymMatrix AlgebraicSymMatrix
static const AlgebraicMatrix theProjectionMatrix