Quadratic unconstrained binary optimization (QUBO) refers to a specific mathematical formulation used to optimize problems where the variables can only take binary values (0 or 1) and the objective function is quadratic. This type of optimization is important in various fields, as it allows for the modeling of complex problems, including combinatorial optimization tasks, that can be efficiently solved using quantum annealing techniques. By leveraging the unique properties of quantum mechanics, QUBO problems can be represented and solved on quantum devices, enhancing computational capabilities beyond classical methods.
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