When the property
ShadowPriceof a contraint is set or when the option
Always_store_marginalsis set to
.ShadowPricesuffix contains the shadow price of the constraint as computed by the solver. The shadow price of a constraint is the marginal change in the objective value with respect to a change in the right-hand side of the constraint.
The value of the
.ShadowPricesuffix is numeric.
.ShadowPricesuffix has the same dimension and domain as that of the constraint at hand.
When a variable
Xhas a definition the suffix can also be applied to
Xbut this is not encouraged by the syntax highlighting. The preferred notation is
The GAMS equivalent suffix name is
The default of the option