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  "Title": "Infrastructure for the Traveling Salesperson Problem",
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  "Authors@R": "c(person(\"Michael\", \"Hahsler\",\nrole = c(\"aut\", \"cre\", \"cph\"),\nemail = \"mhahsler@lyle.smu.edu\",\ncomment = c(ORCID = \"0000-0003-2716-1405\")),\nperson(\"Kurt\", \"Hornik\",\nrole = c(\"aut\", \"cph\"),\ncomment = c(ORCID = \"0000-0003-4198-9911\"))\n)",
  "Description": "Basic infrastructure and some algorithms for the traveling\nsalesperson problem (also traveling salesman problem; TSP). The\npackage provides some simple algorithms and an interface to the\nConcorde TSP solver and its implementation of the\nChained-Lin-Kernighan heuristic. The code for Concorde itself\nis not included in the package and has to be obtained\nseparately. Hahsler and Hornik (2007)\n<doi:10.18637/jss.v023.i02>.",
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  "URL": "https://github.com/mhahsler/TSP, http://michael.hahsler.net/TSP/",
  "BugReports": "https://github.com/mhahsler/TSP/issues",
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  "License": "GPL-3",
  "Copyright": "All code is Copyright (C) Michael Hahsler and Kurt Hornik.",
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  "Repository": "https://mhahsler.r-universe.dev",
  "Date/Publication": "2026-10-04 17:00:39 UTC",
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  "Author": "Michael Hahsler [aut, cre, cph] (ORCID:\n<https://orcid.org/0000-0003-2716-1405>),\nKurt Hornik [aut, cph] (ORCID: <https://orcid.org/0000-0003-4198-9911>)",
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    "as.TSP",
    "ATSP",
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    "concorde_path",
    "cut_tour",
    "ETSP",
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    "insert_dummy",
    "linkern_help",
    "n_of_cities",
    "read_TSPLIB",
    "reformulate_ATSP_as_TSP",
    "solve_TSP",
    "TOUR",
    "tour_length",
    "TSP",
    "write_TSPLIB"
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      "title": "USCA312/USCA50 - 312/50 cities in the US and Canada",
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      "file": "USCA312.rda",
      "class": [
        "TSP",
        "dist"
      ],
      "fields": [],
      "table": false,
      "tojson": false
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      "title": "USCA312/USCA50 - 312/50 cities in the US and Canada",
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      "file": "USCA312_GPS.rda",
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        "lat",
        "name"
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      "table": true,
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      "title": "USCA312/USCA50 - 312/50 cities in the US and Canada",
      "object": "USCA50",
      "file": "USCA50.rda",
      "class": [
        "TSP",
        "dist"
      ],
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      "table": false,
      "tojson": false
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      "page": "ATSP",
      "title": "Class ATSP - Asymmetric traveling salesperson problem",
      "concept": [
        "TSP"
      ],
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        "as.ATSP.dist",
        "as.ATSP.matrix",
        "as.matrix.ATSP",
        "ATSP",
        "image.ATSP",
        "labels.ATSP",
        "n_of_cities.ATSP",
        "print.ATSP"
      ]
    },
    {
      "page": "Concorde",
      "title": "Using the Concorde TSP Solver",
      "concept": [
        "solver"
      ],
      "topics": [
        "Concorde",
        "concorde",
        "concorde_help",
        "concorde_path",
        "linkern_help"
      ]
    },
    {
      "page": "cut_tour",
      "title": "Cut a tour to form a path",
      "concept": [
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      ],
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        "cut_tour.TOUR"
      ]
    },
    {
      "page": "ETSP",
      "title": "Class ETSP - Euclidean traveling salesperson problem",
      "concept": [
        "TSP"
      ],
      "topics": [
        "as.ETSP",
        "as.ETSP.data.frame",
        "as.ETSP.matrix",
        "as.matrix.ETSP",
        "as.TSP.ETSP",
        "ETSP",
        "image.ETSP",
        "labels.ETSP",
        "n_of_cities.ETSP",
        "plot.ETSP",
        "print.ETSP"
      ]
    },
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      "page": "insert_dummy",
      "title": "Insert dummy cities into a distance matrix",
      "concept": [
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      ],
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        "insert_dummy.ATSP",
        "insert_dummy.ETSP",
        "insert_dummy.TSP"
      ]
    },
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      "page": "reformulate_ATSP_as_TSP",
      "title": "Reformulate an ATSP as a symmetric TSP",
      "concept": [
        "TSP"
      ],
      "topics": [
        "filter_ATSP_as_TSP_dummies",
        "reformulate_ATSP_as_TSP"
      ]
    },
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      "page": "solve_TSP",
      "title": "TSP solver interface",
      "concept": [
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      ],
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        "solve_TSP.ATSP",
        "solve_TSP.ETSP",
        "solve_TSP.TSP"
      ]
    },
    {
      "page": "TOUR",
      "title": "Class TOUR - Solution to a traveling salesperson problem",
      "concept": [
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      ],
      "topics": [
        "as.TOUR",
        "as.TOUR.integer",
        "as.TOUR.numeric",
        "print.TOUR",
        "TOUR"
      ]
    },
    {
      "page": "tour_length",
      "title": "Calculate the length of a tour",
      "concept": [
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      ],
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        "tour_length.ATSP",
        "tour_length.ETSP",
        "tour_length.integer",
        "tour_length.TOUR",
        "tour_length.TSP"
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      "title": "Class TSP - Symmetric traveling salesperson problem",
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        "as.TSP",
        "as.TSP.dist",
        "as.TSP.matrix",
        "image.TSP",
        "labels.TSP",
        "n_of_cities",
        "n_of_cities.TSP",
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        "TSP"
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        "TSPLIB",
        "write_TSPLIB",
        "write_TSPLIB.ATSP",
        "write_TSPLIB.ETSP",
        "write_TSPLIB.TSP"
      ]
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      "title": "USCA312/USCA50 - 312/50 cities in the US and Canada",
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        "USCA312",
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        "USCA50"
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        "Introduction",
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