get.objective: Get Objective

Description Usage Arguments Value Author(s) References Examples

View source: R/get.objective.q

Description

Retrieve the value of the objective function from a successfully solved lpSolve linear program model object.

Usage

1

Arguments

lprec

an lpSolve linear program model object.

Value

a single numeric value containing the value of the objective function.

Author(s)

Kjell Konis [email protected]

References

http://lpsolve.sourceforge.net/5.5/index.htm

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
lps.model <- make.lp(0, 3)
xt <- c(6,2,4)
add.constraint(lps.model, xt, "<=", 150)
xt <- c(1,1,6)
add.constraint(lps.model, xt, ">=", 0)
xt <- c(4,5,4)
add.constraint(lps.model, xt, "=", 40)
set.objfn(lps.model, c(-3,-4,-3))

solve(lps.model)
get.objective(lps.model)

Example output

[1] 0
[1] -32

lpSolveAPI documentation built on May 30, 2017, 7:12 a.m.