EigenP4JacobianPxPyPzM2PxPyPzE Class Reference

#include <EigenP4JacobianPxPyPzM2PxPyPzE.h>

Inheritance diagram for EigenP4JacobianPxPyPzM2PxPyPzE:

Collaboration diagram for EigenP4JacobianPxPyPzM2PxPyPzE:

Public Member Functions
	EigenP4JacobianPxPyPzM2PxPyPzE (double px, double py, double pz, double M)
	~EigenP4JacobianPxPyPzM2PxPyPzE ()

Detailed Description

Definition at line 10 of file EigenP4JacobianPxPyPzM2PxPyPzE.h.

Constructor & Destructor Documentation

EigenP4JacobianPxPyPzM2PxPyPzE()

EigenP4JacobianPxPyPzM2PxPyPzE::EigenP4JacobianPxPyPzM2PxPyPzE	(	double	px,
		double	py,
		double	pz,
		double	M )

Definition at line 10 of file EigenP4JacobianPxPyPzM2PxPyPzE.cxx.

                                          :
  AmgMatrix(4,4)()
{
  double pt2 = px*px + py*py;
  double p2 = pt2 + pz*pz;
  double E = std::sqrt( std::max( 0., M*M + p2));
 
  this->setZero();
  (*this)(0,0) = 1; // dpx/dpx
  (*this)(1,1) = 1; // dpy/dpy
  (*this)(2,2) = 1; // dpz/dpz
 
  (*this)(3,0) = px/E;     // dM/dpx
  (*this)(3,1) = py/E;     // dM/dpy
  (*this)(3,2) = pz/E;     // dM/dpz
  (*this)(3,3) = M/E;      // dM/dE
}

~EigenP4JacobianPxPyPzM2PxPyPzE()

EigenP4JacobianPxPyPzM2PxPyPzE::~EigenP4JacobianPxPyPzM2PxPyPzE ( )

inline

Definition at line 14 of file EigenP4JacobianPxPyPzM2PxPyPzE.h.

{}

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The documentation for this class was generated from the following files:

• EigenP4JacobianPxPyPzM2PxPyPzE.h
• EigenP4JacobianPxPyPzM2PxPyPzE.cxx