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`mypulp` is a package for mypulp.

Project description

Project description

Mypulp is a wrapper module for PuLP. It supports to call PuLP using the same functions and classes as in Gurobi, a commercial mixed integer optimization solver. For more details, see the Gurobi HP http://www.gurobi.com/.

from mypulp import *
model = Model("lo1")
J, v = multidict({1:16, 2:19, 3:23, 4:28})
x1 = model.addVar(vtype=GRB.CONTINUOUS, name="x1")
x2 = model.addVar(vtype="C", name="x2")
x3 = model.addVar(lb=0, ub=30, vtype="C", name="x3")
model.update()
model.addSOS(2, [x1, x2, x3])
L1 = LinExpr([2, 1, 1], [x1, x2, x3])
model.addConstr(lhs=L1, sense="<=", rhs=60)
model.addConstr(x1 + 2*x2 + x3 <= 60)
model.setObjective(15*x1 + 18*x2 + 30*x3, GRB.MAXIMIZE)
model.write("mypulp1.mps")
model.write("mypulp1.lp")
model.optimize()
if model.Status == GRB.Status.OPTIMAL:
    print("Opt. Value =", model.ObjVal)
    for v in model.getVars():
        print(v.VarName, v.X)
    for c in model.getConstrs():
        print(c.ConstrName, c.Pi)

Requirements

  • Python 3.7, pulp

Features

  • nothing

Setup

$ pip install mypulp

History

  • 0.0.1 (2015-05-04) first release
  • 0.0.8 (2016-02-03)

Project details


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Files for mypulp, version 0.0.11
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