Index - R
| R1 | Linear.V1, Linear.V2, Linear.V3, Linear.V4, Linear | 
| R2 | Linear.V2, Linear.V3, Linear.V4, Linear | 
| R3 | Linear.V3, Linear.V4, Linear | 
| R4 | Linear.V4, Linear | 
| Ray | Linear.Plucker.Coincides | 
| reflectDim | Linear.V | 
| reifyDim | Linear.V | 
| reifyDimNat | Linear.V | 
| reifyVector | Linear.V | 
| reifyVectorNat | Linear.V | 
| relative | Linear.Affine | 
| rotate | Linear.Quaternion, Linear | 
| runCovector | Linear.Covector, Linear |