! Keywords: Goal Programming / Lexico / Preemptive Goal Programming / Project Management / Production / Scheduling / Sorting;
MIN Z
SUBJECT TO
! The physical constraints on the X's;
A) X1 + 2 X2 + 4 X3 + 7 X4 >= 16
B) 2.5 X1 + 3.5 X2 + 5.2 X5 >= 17.5
C) 0.4 X2 + 1.3 X4 + 7.2 X6 >= 12
D) 2.5 X2 + 3.5 X3 + 5.2 X5 >= 13.1
E) 3.5 X1 + 3.5 X4 + 5.2 X6 >= 18.2
! Constraints to compute the max hurt Z;
H1) Z - X1 >= 0
H2) Z - X2 >= 0
H3) Z - X3 >= 0
H4) Z - X4 >= 0
H5) Z - X5 >= 0
H6) Z - X6 >= 0
END
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