Method objectiveGradient

highs/model/HighsModel.cpp:37–46

}

void HighsModel::objectiveGradient(const std::vector<double>& solution,
                                   std::vector<double>& gradient) const {
  if (this->hessian_.dim_ > 0) {
    this->hessian_.product(solution, gradient);
  } else {
    gradient.assign(this->lp_.num_col_, 0);
  }
  for (HighsInt iCol = 0; iCol < this->lp_.num_col_; iCol++)
    gradient[iCol] += this->lp_.col_cost_[iCol];
}