Get variable values from a solution

Get variable values from a solution

get_solution(solution, expr)
get_solution_(solution, expr)

get_solution_(solution, expr)

Arguments

solution

the solution object

expr

a variable expression. You can partially bind indexes.

Value

a data.frame. One row for each variable instance and a column for each index. Unless it is a single variable, then it returns a single number.

Examples

## Not run: ------------------------------------
# library(magrittr)
# result <- MIPModel() %>%
#      add_variable(x[i], i = 1:5) %>%
#      add_variable(y[i, j], i = 1:5, j = 1:5) %>%
#      add_constraint(x[i] >= 1, i = 1:5) %>%
#      set_bounds(x[i], lb = 3, i = 1:3) %>%
#      set_objective(0) %>%
#      solve_model(with_ROI("glpk"))
# solution <- get_solution(result, x[i])
# solution2 <- get_solution(result, y[i, 1])
# solution3 <- get_solution(result, y[i, j])
## ---------------------------------------------