FICO Xpress Optimization Examples Repository: Locate airport while minimizing average distance

FICO Xpress Optimization Examples Repository

Locate airport while minimizing average distance

Description

Locate N airports each within a specified distance of a city centre, and minimise the sum of square of the distances between all the airports.

Further explanation of this example: 'Mosel User Guide', Section 17.4.2 Xpress NonLinear

airport.zip

[download all files]

Source Files

By clicking on a file name, a preview is opened at the bottom of this page.

airport_nl.mos	[download]
airport_nl_graph.mos	[download]

Data Files

airport.dat

[download]

airport.dat

! Data file for 'airport.mos'
R: [
	 ( 1 ) 0.09
	 ( 2 ) 0.3
	 ( 3 ) 0.09
	 ( 4 ) 0.45
	 ( 5 ) 0.5
	 ( 6 ) 0.04
	 ( 7 ) 0.1
	 ( 8 ) 0.02
	 ( 9 ) 0.02
	 ( 10 ) 0.07
	 ( 11 ) 0.4
	 ( 12 ) 0.045
	 ( 13 ) 0.05
	 ( 14 ) 0.056
	 ( 15 ) 0.36
	 ( 16 ) 0.08
	 ( 17 ) 0.07
	 ( 18 ) 0.36
	 ( 19 ) 0.67
	 ( 20 ) 0.38
	 ( 21 ) 0.37
	 ( 22 ) 0.05
	 ( 23 ) 0.4
	 ( 24 ) 0.66
	 ( 25 ) 0.05
	 ( 26 ) 0.07
	 ( 27 ) 0.08
	 ( 28 ) 0.3
	 ( 29 ) 0.31
	 ( 30 ) 0.49
	 ( 31 ) 0.09
	 ( 32 ) 0.46
	 ( 33 ) 0.12
	 ( 34 ) 0.07
	 ( 35 ) 0.07
	 ( 36 ) 0.09
	 ( 37 ) 0.05
	 ( 38 ) 0.13
	 ( 39 ) 0.16
	 ( 40 ) 0.46
	 ( 41 ) 0.25
	 ( 42 ) 0.1
]
CX: [
	 ( 1 ) -6.3
	 ( 2 ) -7.8
	 ( 3 ) -9
	 ( 4 ) -7.2
	 ( 5 ) -5.7
	 ( 6 ) -1.9
	 ( 7 ) -3.5
	 ( 8 ) -0.5
	 ( 9 ) 1.4
	 ( 10 ) 4
	 ( 11 ) 2.1
	 ( 12 ) 5.5
	 ( 13 ) 5.7
	 ( 14 ) 5.7
	 ( 15 ) 3.8
	 ( 16 ) 5.3
	 ( 17 ) 4.7
	 ( 18 ) 3.3
	 ( 19 ) 0
	 ( 20 ) -1
	 ( 21 ) -0.4
	 ( 22 ) 4.2
	 ( 23 ) 3.2
	 ( 24 ) 1.7
	 ( 25 ) 3.3
	 ( 26 ) 2
	 ( 27 ) 0.7
	 ( 28 ) 0.1
	 ( 29 ) -0.1
	 ( 30 ) -3.5
	 ( 31 ) -4
	 ( 32 ) -2.7
	 ( 33 ) -0.5
	 ( 34 ) -2.9
	 ( 35 ) -1.2
	 ( 36 ) -0.4
	 ( 37 ) -0.1
	 ( 38 ) -1
	 ( 39 ) -1.7
	 ( 40 ) -2.1
	 ( 41 ) -1.8
	 ( 42 ) 0
]
CY: [
	 ( 1 ) 8
	 ( 2 ) 5.1
	 ( 3 ) 2
	 ( 4 ) 2.6
	 ( 5 ) 5.5
	 ( 6 ) 7.1
	 ( 7 ) 5.9
	 ( 8 ) 6.6
	 ( 9 ) 6.1
	 ( 10 ) 5.6
	 ( 11 ) 4.9
	 ( 12 ) 4.7
	 ( 13 ) 4.3
	 ( 14 ) 3.6
	 ( 15 ) 4.1
	 ( 16 ) 3
	 ( 17 ) 2.4
	 ( 18 ) 3
	 ( 19 ) 4.7
	 ( 20 ) 3.4
	 ( 21 ) 2.3
	 ( 22 ) 1.5
	 ( 23 ) 0.5
	 ( 24 ) -1.7
	 ( 25 ) -2
	 ( 26 ) -3.1
	 ( 27 ) -3.5
	 ( 28 ) -2.4
	 ( 29 ) -1.3
	 ( 30 ) 0
	 ( 31 ) -1.7
	 ( 32 ) -2.1
	 ( 33 ) -0.4
	 ( 34 ) -2.9
	 ( 35 ) -3.4
	 ( 36 ) -4.3
	 ( 37 ) -5.2
	 ( 38 ) -6.5
	 ( 39 ) -7.5
	 ( 40 ) -6.4
	 ( 41 ) -5.1
	 ( 42 ) 0
]