自来水输送 lingo程序

min=160*x11+130*x12+220*x13+170*x14+140*x21+130*x22+190*x23+150*x24+190*x31+200*x32+230*x33;

x11+x12+x13+x14=50;

x21+x22+x23+x24=60;

x31+x32+x33=50;

x11+x21+x31>30;

x11+x21+x31<80;

x12+x22+x32>70;

x12+x22+x32<140;

x13+x23+x33>10;

x13+x23+x33<30;

x14+x24>10;

x14+x24<50;

 

供水量升高一倍后：

利润=收入（900）-其他费用（450）-饮水管理费

max=290*x11+320*x12+230*x13+280*x14+310*x21+320*x22+260*x23+300*x24+260*x31+250*x32+220*x33;

x11+x12+x13+x14<100;

x21+x22+x23+x24<120;

x31+x32+x33<100;

x11+x21+x31>30;

x11+x21+x31<80;

x12+x22+x32>70;

x12+x22+x32<140;

x13+x23+x33>10;

x13+x23+x33<30;

x14+x24>10;

x14+x24<50;