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Perform RHS parametrics on a MIP problem Description We take a production plan model and observe how the optimal value of the objective function changes as we vary the RHS element RESMAX(2), the resources available in Month 2. The program decrements RESMAX(2) from 6 to 1, and for each of these values assesses the feasibility of the revised problem and, where possible, finds the best integer solution. The results are displayed on screen and the problem statistics stored in a log file.
Source Files By clicking on a file name, a preview is opened at the bottom of this page.
Data Files pplan.mps
NAME pplan
ROWS
N MaxBen__
L ResMax01
L ResMax02
L ResMax03
L ResMax04
L ResMax05
L ResMax06
E One___01
E One___02
E One___03
COLUMNS
x___0101 MaxBen__ 30.6
x___0101 ResMax01 3
x___0101 ResMax02 4
x___0101 ResMax03 2
x___0101 One___01 1
x___0201 MaxBen__ 36.9
x___0201 ResMax01 4
x___0201 ResMax02 1
x___0201 ResMax03 6
x___0201 One___02 1
x___0301 MaxBen__ 22.4
x___0301 ResMax01 3
x___0301 ResMax02 2
x___0301 ResMax03 1
x___0301 ResMax04 2
x___0301 One___03 1
x___0102 MaxBen__ 20.4
x___0102 ResMax02 3
x___0102 ResMax03 4
x___0102 ResMax04 2
x___0102 One___01 1
x___0202 MaxBen__ 24.6
x___0202 ResMax02 4
x___0202 ResMax03 1
x___0202 ResMax04 6
x___0202 One___02 1
x___0302 MaxBen__ 11.2
x___0302 ResMax02 3
x___0302 ResMax03 2
x___0302 ResMax04 1
x___0302 ResMax05 2
x___0302 One___03 1
x___0103 MaxBen__ 10.2
x___0103 ResMax03 3
x___0103 ResMax04 4
x___0103 ResMax05 2
x___0103 One___01 1
x___0203 MaxBen__ 12.3
x___0203 ResMax03 4
x___0203 ResMax04 1
x___0203 ResMax05 6
x___0203 One___02 1
x___0303 ResMax03 3
x___0303 ResMax04 2
x___0303 ResMax05 1
x___0303 ResMax06 2
x___0303 One___03 1
x___0104 ResMax04 3
x___0104 ResMax05 4
x___0104 ResMax06 2
x___0104 One___01 1
x___0204 ResMax04 4
x___0204 ResMax05 1
x___0204 ResMax06 6
x___0204 One___02 1
x___0304 ResMax04 3
x___0304 ResMax05 2
x___0304 ResMax06 1
x___0304 One___03 1
x___0105 ResMax05 3
x___0105 ResMax06 4
x___0105 One___01 1
x___0205 ResMax05 4
x___0205 ResMax06 1
x___0205 One___02 1
x___0305 ResMax05 3
x___0305 ResMax06 2
x___0305 One___03 1
x___0106 ResMax06 3
x___0106 One___01 1
x___0206 ResMax06 4
x___0206 One___02 1
x___0306 ResMax06 3
x___0306 One___03 1
SETS
S1 XSet__01
XSet__01 x___0101 1
XSet__01 x___0102 2
XSet__01 x___0103 3
XSet__01 x___0104 4
XSet__01 x___0105 5
XSet__01 x___0106 6
S1 XSet__02
XSet__02 x___0201 1
XSet__02 x___0202 2
XSet__02 x___0203 3
XSet__02 x___0204 4
XSet__02 x___0205 5
XSet__02 x___0206 6
S1 XSet__03
XSet__03 x___0301 1
XSet__03 x___0302 2
XSet__03 x___0303 3
XSet__03 x___0304 4
XSet__03 x___0305 5
XSet__03 x___0306 6
RHS
RHS00001 ResMax01 5
RHS00001 ResMax02 6
RHS00001 ResMax03 5
RHS00001 ResMax04 5
RHS00001 ResMax05 4
RHS00001 ResMax06 5
RHS00001 One___01 1
RHS00001 One___02 1
RHS00001 One___03 1
ENDATA
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