# CPSolver.Examples.QAP (Fixpoint v0.8.42)

# Summary

## Functions

The Quadratic Assignment problem. Given

# Functions

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# check_solution(solution, distances, weights)

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# model(data)

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# model(distances, weights)

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# parse_instance(filename)

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# run(instance, opts \\ [])

The Quadratic Assignment problem. Given:

- a set of n facilities;
- a set of n locations;
- for each pair of locations, a distance between them;
- for each pair of facilities, a weight of the edge (e.g., the amount of supplies transported) between them.

Assign all facilities to different locations, such that the sum of products d(i,j ) * w(i, j)

, where d(i,j) is a distance between locations i and j

`and w(i, j) is a weight of edge (i, j)`

is minimized.

Wikipedia
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# search(model)

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