QuadraticProgram.integer_var

QuadraticProgram.integer_var(lowerbound=0, upperbound=1e+20, name=None)

Adds an integer variable to the quadratic program.

Parameters:

• lowerbound (Union[float, int]) – The lowerbound of the variable.

• upperbound (Union[float, int]) – The upperbound of the variable.

• name (Optional[str]) – The name of the variable. If it’s None or empty "", the default name, e.g., x0, is used.

Return type:

Variable

Returns:

The added variable.

Raises:

QiskitOptimizationError – if the variable name is already occupied.