rosenbrock_function.hpp

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#pragma once

#include "pass_bits/problem.hpp"

namespace pass
{
//
//        ⎛      ⎛                     ⎞²    ⎛          ⎞²  ⎞
//    D-1 ⎜      ⎜                     ⎟     ⎜          ⎟   ⎟
//     ∑  ⎜100 * ⎜ p(i + 1) - (p(i))²  ⎟   + ⎜ p(i) - 1 ⎟   ⎟
//    i=1 ⎜      ⎜                     ⎟     ⎜          ⎟   ⎟
//        ⎝      ⎝                     ⎠     ⎝          ⎠   ⎠
//

class rosenbrock_function : public problem
{
public:
  explicit rosenbrock_function(const arma::uword dimension);

  double evaluate(const arma::vec &agent) const override;
};
} // namespace pass