EntityQ7268356· pop 5· linked from 17 articlesQuadratic assignment problemSign in to savecombinatorial optimization problemConnectionsmathematicsEntityInternational Standard Book NumberEntityalgorithmEntitydigital object identifierEntityintegrated circuitEntityprinted circuit boardEntitycomputer-aided designEntityelectronic componentEntitymathematical optimizationEntityoperations researchEntityTjalling KoopmansEntitytravelling salesperson problemEntitysquare matrixEntitytime complexityEntitypermutation matrixEntityHandle SystemEntityloss functionEntityNP-hardEntitycombinatorial optimizationEntityDavid S. JohnsonEntityCategoriesCombinatorial optimizationNP-hard problemsOperations research