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cocomoff/jump_sample.jl

Created April 10, 2017 14:48
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jump_sample.jl
# example: http://www.fujilab.dnj.ynu.ac.jp/lecture/system2.pdf
using JuMP
using Clp
m = Model(solver = ClpSolver())
@variable(m, 0 <= x1 <= Inf)
@variable(m, 0 <= x2 <= Inf)
# 目的関数
@objective(m, Min, -400x1 - 300x2)
# 制約
@constraint(m, 60x1 + 40x2 <= 3800)
@constraint(m, 20x1 + 30x2 <= 2100)
@constraint(m, 20x1 + 10x2 <= 1200)
# 解を求める
ans = solve(m)
println(getobjectivevalue(m)) # -27000
println(getvalue(x)) # 30
println(getvalue(x2)) # 50
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