Randomized program

 Range constraint

 Range of compatibility

Rankone correction

 Ranktwo correction

 Rate of convergence

Rates of substitution

 Ray

 Recession cone

Recession direction

 Recourse model

 Reduce

Reduced cost

 Reduced gradient method

 Redundant constraint

Refinery problems

 Reformulation

 Reformulationlinearization technique

Regular constraint

 Regular point

 Reified constraint

Relative interior

 Relaxation

 Reoptimization

Reproduction operation

 Requirements space

 Residuals

Response space

 Restricted basis entry rule

 Reverse convex constraint

Reverse convex program

 Righthand side

 Rim data

Robust optimization

 Rosen decomposition

 Rosenbrock function

Routing problems

