to_gams | R Documentation |
Translate a ROI
OP
to GAMS
code.
This function can translate optimization problems with linear or quadratic objective
and linear or quadratic constraints.
to_gams(x)
x |
an ROI object of class |
a character string giving the GAMS optimization model.
library("ROI")
mat <- matrix(c(3, 4, 2, 2, 1, 2, 1, 3, 2), nrow=3, byrow=TRUE)
x <- OP(objective = c(2, 4, 3),
constraints = L_constraint(L = mat,
dir = c("<=", "<=", "<="),
rhs = c(60, 40, 80)),
bounds = V_bound(ui = seq_len(3), ub = c(1000, Inf, 1000), nobj = 3),
maximum = TRUE)
writeLines(to_gams(x))
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