Sos1Constraint

class Sos1Constraint

A SOS1 (Special Ordered Set type 1) constraint: at most one variable can be non-zero.

This is a structural constraint — no explicit function is stored. Unlike OneHotConstraint, SOS1 allows all variables to be zero.

__copy__() → Sos1Constraint

__deepcopy__(_memo: Any) → Sos1Constraint

__new__(variables: Sequence[int]) → Sos1Constraint

Create a new SOS1 constraint.

Args:

• variables: List of decision variable IDs (at most one can be non-zero)

__repr__() → str

property variables: list[int]

Read-only property.