65Nxx Partial differential equations, boundary value problems

• 65N06 Finite difference methods
  
• 65N12 Stability and convergence of numerical methods
  
• 65N15 Error bounds
  
• 65N22 Solution of discretized equations [See also 65Fxx, 65Hxx]
  
• 65N30 Finite elements, Rayleigh-Ritz and Galerkin methods, finite methods
  
• 65N35 Spectral, collocation and related methods
  
• 65N38 Boundary element methods
  
• 65N50 Mesh generation and refinement
  
• 65N55 Multigrid methods; domain decomposition