Constraint
Constraint may refer to: Constraint (computer-aided design), a demarcation of geometrical characteristics between two or more entities or solid modeling bodies Constraint (mathematics), a condition of an optimization problem that the solution must satisfy Constraint (mechanics), a relation between coordinates and momenta Constraint (computational chemistry) Constraint (information theory), the degree of statistical dependence between or among variables Constraints (journal), a scientific journal Constraint (database), a concept in relational database == Particular types of constraint == Biological constraints, factors which make populations resistant to evolutionary change Carrier's constraint on lung function in long thin animals Finite domain constraint, in mathematical solution-finding Integrity constraints in databases Check constraint Foreign key constraint Specific types of mechanical constraints: First-class constraint and second-class constraint in Hamiltonian mechanics Primary constraint, secondary constraint, etc.