Get Sensitivity: Objective

Description

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

Usage

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Arguments

lprec

an lpSolve linear program model object.

Value

a list with components

objfrom

a numeric vector of length n (where n is the number of decision variables in lprec) containing the values of the lower limits of the objective function.

objtill

a numeric vector of length n (where n is the number of decision variables in lprec) containing the values of the upper limits of the objective function.

Author(s)

Kjell Konis kjell.konis@me.com

References

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

Examples

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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.sensitivity.obj(lps.model)

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