CPLEX

 CSP

 Calculus of variations

Capacity expansion

 Capital budgeting problem

 Caratheodory conditions

Caterer problem

 CauchySchwarz inequality

 Ceiling

Central path

 Certainty equivalent

 Certificate

Chance constraint

 Character of solution

 Characteristic cone

Chemical equilibrium problem

 Chinese postman problem

 Chinese remainder theorem

Cholesky factorization

 Chvatal cut

 Chvatal function

Closed form solution

 Closed function

 Closed map

Closed set

 Closure condition

 Coercive function

Column generation

 Combinatorial program

 Compact formulation

Compact set

 Compatibility theory

 Complementarity condition

Complementarity problem

 Complementary slackness

 Complementary variables

Complexity

 Complicating variables

 Component

Composite concave program

 Composite function

 Concave function

Condition number

 Cone

 Cone of optimality

Conic program

 Conjugate directions

 Conjugate duality

Conjugate function

 Conjugate gradient method

 Conjugate vectors

Conjunctive normal form

 Connected network

 Consistency

Consistent

 Constraint

 Constraint graph

Constraint optimization problem

 Constraint programming

 Constraint propagation

Constraint propagator

 Constraint qualification

 Constraint satisfaction problem

Constraint solver

 Continuous program

 Contour

Contraction map

 Convergence

 Convex combination

Convex cost flow problem

 Convex function

 Convex hull

Convex program

 Convex set

 Convex simplex method

Convexity cut

 Corner polyhedron problem

 Correlation matrix

Cost of captial

 Covering problem

 Cramer rule

Crash

 Crisscross method

 Critical path

Critical point

 Crossover operation

 Cumulative constraint

Cut search

 Cutset

 Cutting plane

Cutting stock problem

 Cyclic descent

 Cycling
