(#63) use NLconstraint for the constraints with abs

jbytecode · Nov 8, 2024 · fb00940 · fb00940
1 parent 732526b
commit fb00940
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ### 0.7.21 (Upcoming release)
 
 - Update documentation
+- Initial implementation of the Best-Worst method.
 
 ### 0.7.20 
 

diff --git a/src/bestworst.jl b/src/bestworst.jl
@@ -88,11 +88,11 @@ function bestworst(pref_to_best::Vector{Int}, pref_to_worst::Vector{Int})::BestW
     worstindices = indices[indices.!=worst_index]
 
     for i in bestindices
-        @constraint(model, abs(w[best_index] / w[i] - pref_to_best[i]) <= ε)
+        @NLconstraint(model, abs(w[best_index] / w[i] - pref_to_best[i]) <= ε)
     end
 
     for i in worstindices
-        @constraint(model, abs(w[i] / w[worst_index] - pref_to_worst[i]) <= ε)
+        @NLconstraint(model, abs(w[i] / w[worst_index] - pref_to_worst[i]) <= ε)
     end
 
     @constraint(model, sum(w) == 1)