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Introductory examples

Description
Problem name and type, featuresDifficulty
approx Approximation: Piecewise linear approximation **
SOS-2, Special Ordered Sets, piecewise linear approximation of a nonlinear function, pwlin
burglar MIP modeling: Knapsack problem: 'Burglar' *
simple MIP model with binary variables, data input from text data file, array initialization, numerical indices, string indices, record data structure
chess LP modeling: Production planning: 'Chess' problem *
simple LP model, solution output, primal solution values, slack values, activity values, dual solution values
pricebrai All item discount pricing: Piecewise linear function ***
SOS-1, Special Ordered Sets, piecewise linear function, approximation of non-continuous function, step function, pwlin
pricebrinc Incremental pricebreaks: Piecewise linear function ***
SOS-2, Special Ordered Sets, piecewise linear function, step function


Further explanation of this example: 'Applications of optimization with Xpress-MP', Introductory examples (Chapters 1 to 5) of the book 'Applications of optimization with Xpress-MP'

mosel_app_intro.zip[download all files]

Source Files
By clicking on a file name, a preview is opened at the bottom of this page.
approx.mos[download]
approx2.mos[download]
burglar1.mos[download]
burglar2.mos[download]
burglari.mos[download]
burglar_rec.mos[download]
chess.mos[download]
chess2.mos[download]
pricebrai.mos[download]
pricebrai2.mos[download]
pricebrinc.mos[download]
pricebrinc2.mos[download]
pricebrinc3.mos[download]

Data Files
burglar.dat[download]
burglar2.dat[download]
burglar_rec.dat[download]




burglar2.dat

! Data file for `burglar2.mos'

KNAPSACK: [ ("camera")   [ 15  2]
            ("necklace") [100 20] 
            ("vase")     [ 90 20] 
            ("picture")  [ 60 30]
            ("tv")       [ 40 40] 
            ("video")    [ 15 30] 
            ("chest")    [ 10 60] 
            ("brick")    [  1 10] ]
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