delete.constraint function

Delete Constraint

Delete a constraint from an lpSolve linear program model object.

delete.constraint(lprec, constraints)

Arguments

• lprec: an lpSolve linear program model object.
• constraints: a numeric vector of unique values from the set {1, ..., m} (where m is the number of constraints in lprec) specifying which constraints should be deleted.

Returns

a NULL value is invisibly returned.

References

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

Author(s)

Kjell Konis kjell.konis@me.com

Examples

lps.model <- make.lp(0, 4)
set.objfn(lps.model, rep(1, 4))

xt <- c(6,2,4,9)
add.constraint(lps.model, xt, "<=", 50)

yt <- c(3,1,5)
ind <- c(1,2,4)
add.constraint(lps.model, yt, 2, 75, ind)

delete.constraint(lps.model, 1)