Advances in Modeling and Optimization of Manufacturing Processes
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Table 4

Initial (unordered) operation precedence matrix.

  JOP-1 JOP-2 JOP-3 JOP-4 JOP-5 JOP-6 JOP-7 JOP-8 IOP
JOP-1 0 1 1 0 0 0 0 0 2
JOP-2 −1 0 0 1 0 0 0 0 0
JOP-3 −1 0 0 1 0 0 0 0 0
JOP-4 0 −1 −1 0 1 0 0 0 −1
JOP-5 0 0 0 −1 0 1 0 0 0
JOP-6 0 0 0 0 −1 0 1 0 0
JOP-7 0 0 0 0 0 −1 0 1 0
JOP-8 0 0 0 0 0 0 −1 0 −1