Page 308 - 数学建模算法与应用
P. 308

Mathematical Modeling Algorithms and Applications
             数学建模算法与应用


                  Atemp(1, nPlant*nCustomer + nCustomer + 5) = -1;
                  Atemp(1, 3*length(customer) + 1) = 1;
                  Aineq = [Aineq; Atemp];

                  bineq = [bineq; 100];% 其他需求量约束
                  Atemp = sparse(nCustomer, nPlant*nCustomer + nCustomer*2);
                  for j = 1:nCustomer
                  Atemp(j, 1:nPlant*nCustomer(nPlant*(j-1)+1:nPlant*j)) = 1*ones(1,

             nPlant);
                  Atemp(j, nPlant*nCustomer + 5 + j) = 1;
                  Atemp(j, nPlant*nCustomer + nCustomer + 5 + j) = -1;end

                  Aineq = [Aineq; Atemp];
                  bineq = [bineq; 0.8*b(:)’];% 附加约束
                  Atemp = sparse(1, nPlant*nCustomer + nCustomer*2);
                  Atemp(1, nPlant*nCustomer + 10) = -1;
                  Atemp(1, 1*length(customer) + 2) = 1;

                  Aineq = [Aineq; Atemp];
                  bineq = [bineq; 0];% 目标函数
                  f = [reshape(C, [], 1); zeros(nCustomer*2, 1)];

                  f = f + [zeros(nPlant*nCustomer, 1); p1; p2];
                  % 设置求解器选项
                  options = optimoptions(‘intlinprog’,  ‘Display’,  ‘iter’,  ‘AbsoluteGapTolerance’,
             1e-6);% 解决问题
                  [xOpt, fVal, exitflag, output] = intlinprog(f, [], Aineq, bineq, Aeq,

             beq, lb, ub, options);% 显示结果
                  if exitflag > 0
                  disp(‘最优解:’)
                  disp(xOpt)

                  disp(‘目标函数值:’)
                  disp(fVal)
                  else



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