6.1 Matrix representation
  6.1.1 Zero order term: the Fokker-Planck equation
  6.1.2 Up to first order term: the Drift Kinetic equation
 6.2 Inversion procedure
  6.2.1 Incomplete matrix factorization
  6.2.2 Zero order term: the Fokker-Planck equation
  6.2.3 Up to first order term: the Drift Kinetic equation
 6.3 Normalization and definitions
  6.3.1 Temperature, density and effective charge
  6.3.2 Coulomb Logarithm
  6.3.3 Time
  6.3.4 Momentum, velocity, and kinetic energy
  6.3.5 Maxwellian electron momentum distribution
  6.3.6 Poloidal flux coordinate
  6.3.7 Drift kinetic coefficient
  6.3.8 Momentum convection and diffusion
  6.3.9 Radial convection and diffusion
  6.3.10 Fluxes
  6.3.11 Current density
  6.3.12 Power density
  6.3.13 Electron runaway rate
  6.3.14 Electron magnetic ripple loss rate
  6.3.15 Units