Trk::JacobianPxyzToPhiThetaQoverPcartesian Node1 Trk::JacobianPxyzToPhiTheta QoverPcartesian + JacobianPxyzToPhiThetaQover Pcartesian() + ~JacobianPxyzToPhiThetaQover Pcartesian() Node2 AmgMatrix Node2->Node1