Mathematics
A priori and a posteriori
Lagrange multiplier
Discontinuous Galerkin method
Applied mathematics
Projection (relational algebra)
Projection method
Weak formulation
Consistency (knowledge bases)
Galerkin method
Mathematical analysis
Mathematical optimization
Boundary value problem
Algorithm
Finite element method
Discrete mathematics
Philosophy
Physics
Epistemology
Dykstra's projection algorithm
Thermodynamics
