颜色= optimvar (“颜色”,(“黑色”,“白色”,“红色”,“绿色”,“蓝色”]、[“青色”,“红色”,“黄色”,“黑色”]);

[idxadd, idxsub] = findindex(颜色,{“红色”,“黑”},{“黑”})

颜色= optimvar (“颜色”,(“黑色”,“白色”,“红色”,“绿色”,“蓝色”]、[“青色”,“红色”,“黄色”,“黑色”]);

idx = findindex(颜色,(“白色”,“红色”,“绿色”,“蓝色”]、[“黑色”,“青色”,“红色”,“黄色”])

rng (0)%的再现性p = optimproblem (“ObjectiveSense”,“最大化”);流= optimvar (“流”,…{“苹果”,“橘子”,“香蕉”,“浆果”},{“纽约”,“bo”,“宽松”},…下界的0,“类型”,“整数”);p。目标=总和(总和(兰德(4,3)。*流));p.Constraints。纽约= rand(1,4)*flow(:,“纽约”)< = 10;p.Constraints。BOS= rand(1,4)*flow(:,“bo”)< = 12;p.Constraints。宽松的= rand(1,4)*flow(:,“宽松”)< = 35;索尔=解决(p);

[idxFruit, idxAirports] = findindex(流,{“橘子”,“浆果”},{“纽约”,“宽松”})

orangeBerries = sol.flow (idxFruit idxAirports)

idx = findindex(流,{“浆果”,“苹果”,“橘子”},{“纽约”,“bo”,“宽松”})

optimalFlow = sol.flow (idx)

土地= [“irr-good”,“irr-poor”,“dry-good”,“dry-poor”];作物= [“wheat-lentil”,“小麦加工”,“barley-chickpea”,“barley-lentil”,“wheat-onion”,“barley-onion”];犁= [“传统”,“机械化”];xcrop = optimvar (“xcrop”、土地、庄稼、犁,下界的,0);

x0。xcrop = 0(大小(xcrop));

[idxLand, idxCrop idxPlough] = findindex (xcrop, (“dry-good”,“dry-poor”),…(“wheat-onion”,“wheat-lentil”),“传统”);x0.xcrop (idxLand idxCrop idxPlough) = 3000;

idx = findindex (xcrop,…(“dry-good”,“irr-poor”,“irr-good”),…(“小麦加工”,“barley-onion”,“barley-chickpea”),…(“机械化”,“传统”,“机械化”]);x0.xcrop (idx) = (2000、5000、3500);