solve.lpExtPtr | R Documentation |
Attempt to compute the optimal solution of an lpSolve linear program model object.
## S3 method for class 'lpExtPtr'
solve(a, b, ...)
a |
an lpSolve linear program model object. |
b |
this argument is ignored. |
... |
additional arguments are ignored. |
a single integer value containing the status code.
0: | "optimal solution found" |
1: | "the model is sub-optimal" |
2: | "the model is infeasible" |
3: | "the model is unbounded" |
4: | "the model is degenerate" |
5: | "numerical failure encountered" |
6: | "process aborted" |
7: | "timeout" |
9: | "the model was solved by presolve" |
10: | "the branch and bound routine failed" |
11: | "the branch and bound was stopped because of a break-at-first or break-at-value" |
12: | "a feasible branch and bound solution was found" |
13: | "no feasible branch and bound solution was found" |
Kjell Konis kjell.konis@me.com
https://lpsolve.sourceforge.net/5.5/index.htm
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)
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