Table 7: Comparison of five methods: medium-scale problems.

S. no.Size of the problemNumber of redundant constraints identified by
no. of constraintsno. of variablesBrearly’s methodlinear programming methoddeterministic methodStojković- Stanimirović methodheuristic method

116614135114
220517181017
325617233023
4303242918029
5375293512035
6402383938039
7453344310043
8505284911049