用matlab求解｛min z=160x11+130x12+220x13+170x14+140x21+130x22+190x23+150x24+190x31+200x32+230x33；s.t. x11+x12+x13+x14=50；x21+x22+x23+x24=60；x31+x32+x33 =50；30≤x11+x21+x31≤80；70≤x12+x22+x32≤140；10≤x13+x23+x33≤30；10≤x14+x24≤50；xij≥0，x34=0.i=1,2,3.j=1,2,3,4｝

x = [160, 130, 220, 170, 140, 130, 190, 150, 190, 200, 230]; Aeq = [1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0; 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0; 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1]; beq = [50; 60; 50]; lb = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; ub = []; xint = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]; intcon = 1:11; [x, fval] = intlinprog(x, xint, [], [], Aeq, beq, lb, ub, intcon); disp(x); disp(fval); [2024-06-20 09:34:07 | AI写代码神器 | 259点数解答]