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

SymMatrix3 momWeightInv = SymMatrix3::Zero()

SymMatrix3 newVertexCov = SymMatrix3::Zero()

Vector3 newVertexPos = Vector3::Zero()

SymMatrix3 newVertexWeight = SymMatrix3::Zero()

SymMatrix3 oldVertexWeight = SymMatrix3::Zero()