Contents

• Overview
• Definition of basic variables: ``setup.m''
  • Indexing
  • Sampling points and reciprocal lattice vectors
  
  
• Charge distribution: ``poisson.m''
• Operators
  • Global variables
  • O()
  • L()
  • Linv()
  • cI()
  • cJ()
  
  
• Final solution to Poisson's equation: ``poisson.m''
• Background for Schrödinger's equation
• Updated Operators
  • cI()
  • cJ()
  • O()
  • L()
  • cIdag()
  • cJdag()
  • Debugging
  
  
• Energy calculation: ``sch.m'' and ``getE.m''
  • Setup of the potential
  • diagouter()
  • getE()
  
  
• Gradient calculation
  • Diagprod()
  • H()
  • getgrad()
  
  
• Solution of Schrödinger's equation using steepest descents: sd()
  • Initialize W
  • sd()
  • getPsi()
  
  
• Final solution: ``sch.m''
• ``slice.m''
• ``view.m''
• ``poisson.m''
• ``O.m''
• ``viewmid.m''
• ``fdtest.m''