Description Usage Arguments Value Author(s) References Examples
Retrieve the sensitivity of the objective function from a successfully solved lpSolve linear program model object.
1 | get.sensitivity.obj(lprec)
|
lprec |
an lpSolve linear program model object. |
a list with components
objfrom |
a numeric vector of length |
objtill |
a numeric vector of length |
Kjell Konis kjell.konis@me.com
http://lpsolve.sourceforge.net/5.5/index.htm
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.sensitivity.obj(lps.model)
|
[1] 0
$objfrom
[1] -3.2e+00 -1.0e+30 -3.2e+00
$objtill
[1] 1.00e+30 -3.75e+00 1.00e+30
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