Description Usage Arguments Value Author(s) References Examples
Retrieve constraint types from an lpSolve linear program model object.
1 | get.constr.type(lprec, constraints = 1:m, as.char = TRUE)
|
lprec |
an lpSolve linear program model object. |
constraints |
a numeric vector of unique values from the set |
as.char |
a logical value. If |
either a character vector or an integer vector containing the types of the constraints specified in constraints
. The possibilities are: 0 = "free"
, 1 = "<="
, 2 = ">="
and 3 = "="
.
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 12 | lps.model <- make.lp(0, 3)
xt <- c(6,2,4)
add.constraint(lps.model, xt, "<=", 15)
xt <- c(1,1,6)
add.constraint(lps.model, xt, ">=", 15)
xt <- c(4,5,4)
add.constraint(lps.model, xt, "=", 40)
get.constr.type(lps.model)
|
[1] "<=" ">=" "="
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