CO370 Lecture Notes - Resource Consumption, Fuel Oil, Diesel Fuel

• School: University of Waterloo
• Department: Combinatorics and Optimization
• Course: CO370
• Professor: Uzma Rehman

Document Summary

C&o 370: deterministic or models winter 2013. The purpose of this question is to get you comfortable with ampl. In class we saw how to translate an lp into. # declares a set of machines param ptime {machines, jobs} >= 0; # declares a 2d-array of nonnegative elements with. # rows indexed by machines and columns indexed by jobs. # ptime[i,j] = processing time job j needs if processed on machine i var x {machines, jobs} >= 0; # declares a 2d-array of nonnegative variables where. # x[i,j] = fraction of job j processed on machine i var cmax >= 0; # the maximum completion time of any job minimize ctime: cmax; # every job must be assigned subject to jobasgn {j in jobs}: sum {i in machines} x[i,j] = 1; # the total load on any machine cannot exceed the max completion time subject to mcload {i in machines}: sum {j in jobs} p[i,j]*x[i,j] <= cmax;