Variables :: SAS/OR(R) 13.1 User's Guide: Mathematical Programming Examples

Table 17.2 shows the variables that are used in this example.

Table 17.2: Variables

Variable Name	Interpretation
`IsColor[i,j,k,color]`	1 if cell $(i,j,k)$ is color; 0 otherwise
`IsMonochromatic[line]`	1 if line is monochromatic; 0 otherwise