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Line 24: In matrix notation: :<math>\min_{X\in\Pi_n} \operatorname{trace}(WXDX^T)</math> where <math>\Pi_n</math> ~~are~~is the set of <math>n \times n</math> permutation matrices, "W" is the weight matrix and "D" is the distance matrix. == Computational complexity ==

Quadratic assignment problem: Difference between revisions