net1-v3b.json

{
  "PROBLEM": {
    "NAME": "general_transshipment v3.0a, instance form row-wise",
    "REFERENCE": "https://ampl.com/BOOK/EXAMPLES/EXAMPLES2/net1.mod",
    "AUTHOR": "Jeremy A. Bloom (jeremyblmca@gmail.com)",
    "NOTICES": "Copyright © 2019 Jeremy A. Bloom"
  },
  "VARIABLES": [
    {
      "NAME": "ship_PITT_NE",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "250.0"}
    },
    {
      "NAME": "ship_PITT_SE",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "250.0"}
    },
    {
      "NAME": "ship_NE_BOS",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "100.0"}
    },
    {
      "NAME": "ship_NE_EWR",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "100.0"}
    },
    {
      "NAME": "ship_NE_BWI",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "100.0"}
    },
    {
      "NAME": "ship_SE_EWR",
      "TYPE": "Continuous",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "100.0"}
    },
    {
      "NAME": "ship_SE_BWI",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "100.0"}
    },
    {
      "NAME": "ship_SE_ATL",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "100.0"}
    },
    {
      "NAME": "ship_SE_MCO",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "100.0"}
    }
  ],
  "CONSTRAINTS": [
    {
      "NAME": "balance_PITT",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "450.0", "UPPER": "450.0"},
      "COEFFICIENTS": [
        {
          "NAME": "balance_PITT_ship_PITT_NE",
          "CONSTRAINTS": "balance_PITT",
          "VARIABLES": "ship_PITT_NE",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
          "NAME": "balance_PITT_ship_PITT_SE",
          "CONSTRAINTS": "balance_PITT",
          "VARIABLES": "ship_PITT_SE",
          "CONDITION": "",
          "ENTRIES": "1.0"
        }
      ]
    },
    {
      "NAME": "balance_NE",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "0.0"},
      "COEFFICIENTS": [
        {
          "NAME": "balance_NE_ship_NE_BOS",
          "CONSTRAINTS": "balance_NE",
          "VARIABLES": "ship_NE_BOS",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
          "NAME": "balance_NE_ship_NE_EWR",
          "CONSTRAINTS": "balance_NE",
          "VARIABLES": "ship_NE_EWR",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
          "NAME": "balance_NE_ship_NE_BWI",
          "CONSTRAINTS": "balance_NE",
          "VARIABLES": "ship_NE_BWI",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
      "NAME": "balance_NE_ship_PITT_NE",
      "CONSTRAINTS": "balance_NE",
      "VARIABLES": "ship_PITT_NE",
      "CONDITION": "",
      "ENTRIES": "-1.0"
    }
      ]
    },
    {
      "NAME": "balance_SE",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "0.0", "UPPER": "0.0"},
      "COEFFICIENTS": [
        {
          "NAME": "balance_SE_ship_SE_EWR",
          "CONSTRAINTS": "balance_SE",
          "VARIABLES": "ship_SE_EWR",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
          "NAME": "balance_SE_ship_SE_BWI",
          "CONSTRAINTS": "balance_SE",
          "VARIABLES": "ship_SE_BWI",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
          "NAME": "balance_SE_ship_SE_ATL",
          "CONSTRAINTS": "balance_SE",
          "VARIABLES": "ship_SE_ATL",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
          "NAME": "balance_SE_ship_SE_MCO",
          "CONSTRAINTS": "balance_SE",
          "VARIABLES": "ship_SE_MCO",
          "CONDITION": "",
          "ENTRIES": "1.0"
        },
        {
          "NAME": "balance_SE_ship_PITT_SE",
          "CONSTRAINTS": "balance_SE",
          "VARIABLES": "ship_PITT_SE",
          "CONDITION": "",
          "ENTRIES": "-1.0"
        }
      ]
    },
    {
      "NAME": "balance_BOS",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "-90.0", "UPPER": "-90.0"},
      "COEFFICIENTS": [
        {
      "NAME": "balance_BOS_ship_NE_BOS",
      "CONSTRAINTS": "balance_BOS",
      "VARIABLES": "ship_NE_BOS",
      "CONDITION": "",
      "ENTRIES": "-1.0"
    }
      ]
    },
    {
      "NAME": "balance_EWR",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "-120.0", "UPPER": "-120.0"},
      "COEFFICIENTS": [
        {
          "NAME": "balance_EWR_ship_NE_EWR",
          "CONSTRAINTS": "balance_EWR",
          "VARIABLES": "ship_NE_EWR",
          "CONDITION": "",
          "ENTRIES": "-1.0"
        },
        {
          "NAME": "balance_EWR_ship_SE_EWR",
          "CONSTRAINTS": "balance_EWR",
          "VARIABLES": "ship_SE_EWR",
          "CONDITION": "",
          "ENTRIES": "-1.0"
        }
      ]
    },
    {
      "NAME": "balance_BWI",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "-120.0", "UPPER": "-120.0"},
      "COEFFICIENTS": [
        {
          "NAME": "balance_BWI_ship_NE_BWI",
          "CONSTRAINTS": "balance_BWI",
          "VARIABLES": "ship_NE_BWI",
          "CONDITION": "",
          "ENTRIES": "-1.0"
        },
        {
          "NAME": "balance_BWI_ship_SE_BWI",
          "CONSTRAINTS": "balance_BWI",
          "VARIABLES": "ship_SE_BWI",
          "CONDITION": "",
          "ENTRIES": "-1.0"
        }
      ]
    },
    {
      "NAME": "balance_ATL",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "-70.0", "UPPER": "-70.0"},
      "COEFFICIENTS": [
        {
          "NAME": "balance_ATL_ship_SE_ATL",
          "CONSTRAINTS": "balance_ATL",
          "VARIABLES": "ship_SE_ATL",
          "CONDITION": "",
          "ENTRIES": "-1.0"
        }
      ]
    },
    {
      "NAME": "balance_MCO",
      "TYPE": "CONTINUOUS",
      "INDEX": "SELF",
      "BOUNDS": {"LOWER": "-50.0", "UPPER": "-50.0"},
      "COEFFICIENTS": [
        {
          "NAME": "balance_MCO_ship_SE_MCO",
          "CONSTRAINTS": "balance_MCO",
          "VARIABLES": "ship_SE_MCO",
          "CONDITION": "",
          "ENTRIES": "-1.0"
        }
      ]
    }
  ],
  "DECISION_EXPRESSIONS": [
    {
      "NAME": "totalCost",
      "TYPE": "LINEAR",
      "INDEX": "SELF",
      "SENSE": "MINIMIZE",
      "COEFFICIENTS": [
        {
          "NAME": "total_ship_PITT_NE",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_PITT_NE",
          "CONDITION": "",
          "ENTRIES": "2.5"
        },
        {
          "NAME": "total_ship_PITT_SE",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_PITT_SE",
          "CONDITION": "",
          "ENTRIES": "3.5"
        },
        {
          "NAME": "total_ship_NE_BOS",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_NE_BOS",
          "CONDITION": "",
          "ENTRIES": "1.7"
        },
        {
          "NAME": "total_ship_NE_EWR",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_NE_EWR",
          "CONDITION": "",
          "ENTRIES": "0.7"
        },
        {
          "NAME": "total_ship_NE_BWI",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_NE_BWI",
          "CONDITION": "",
          "ENTRIES": "1.3"
        },
        {
          "NAME": "total_ship_SE_EWR",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_SE_EWR",
          "CONDITION": "",
          "ENTRIES": "1.3"
        },
        {
          "NAME": "total_ship_SE_BWI",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_SE_BWI",
          "CONDITION": "",
          "ENTRIES": "0.8"
        },
        {
          "NAME": "total_ship_SE_ATL",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_SE_ATL",
          "CONDITION": "",
          "ENTRIES": "0.2"
        },
        {
          "NAME": "total_ship_SE_MCO",
          "DECISION_EXPRESSIONS": "totalCost",
          "VARIABLES": "ship_SE_MCO",
          "CONDITION": "",
          "ENTRIES": "2.1"
        }
      ]
    }
  ]
}