Struct Acts::KalmanVertexUpdater::MatrixCache

struct MatrixCache

KalmanVertexUpdater.

adds or removes track from or updates current vertex Based on R. Frühwirth et al. Vertex reconstruction and track bundling at the lep collider using robust Algorithms Computer Physics Comm.: 96 (1996) 189, chapter 2.1 Cache object to store matrix information

Public Members

SquareMatrix3 momWeightInv = SquareMatrix3::Zero()

SquareMatrix3 newVertexCov = SquareMatrix3::Zero()

Vector3 newVertexPos = Vector3::Zero()

SquareMatrix3 newVertexWeight = SquareMatrix3::Zero()

SquareMatrix3 oldVertexWeight = SquareMatrix3::Zero()