Struct Acts::KalmanVertexUpdater::MatrixCache¶
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struct Acts::KalmanVertexUpdater::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
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SymMatrix3 momWeightInv = SymMatrix3::Zero()
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SymMatrix3 newVertexCov = SymMatrix3::Zero()
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SymMatrix3 newVertexWeight = SymMatrix3::Zero()
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SymMatrix3 oldVertexWeight = SymMatrix3::Zero()
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SymMatrix3 momWeightInv = SymMatrix3::Zero()