灵鹊做题网求一道规划问题的LINGO输入
来源：学生作业帮 编辑：灵鹊做题网作业帮 分类：综合作业 时间：2024/04/27 13:51:50
求一道规划问题的LINGO输入
数学模型如图,用LINGO求解如何输入?
是否需要用到集?重酬啊
数学模型如图,用LINGO求解如何输入?
是否需要用到集?重酬啊
model:
sets:
s/1..12/:x1,x2,y1,y2,z,w;
endsets
min=@sum(s(i)|i#le#5:5*x1(i)+8*x2(i))+@sum(s(i)|i#ge#6:4.5*x1(i)+7*x2(i))+@sum(s:z+w);
x1(1)-10000=y1(1);
@for(s(i)|i#ge#2 #and# i#le#4:x1(i)+y1(i-1)-10000=y1(i));
@for(s(i)|i#ge#5 #and# i#le#9:x1(i)+y1(i-1)-30000=y1(i));
@for(s(i)|i#ge#10:x1(i)+y1(i-1)-100000=y1(i));
x2(1)-50000=y2(1);
@for(s(i)|i#eq#2 #or# i#ge#10:x2(i)+y2(i-1)-50000=y2(i));
@for(s(i)|i#ge#3 #and# i#le#9:x2(i)+y2(i-1)-15000=y2(i));
@for(s:0.2*y1+0.4*y2=z+w);
@for(s:x1+x2
sets:
s/1..12/:x1,x2,y1,y2,z,w;
endsets
min=@sum(s(i)|i#le#5:5*x1(i)+8*x2(i))+@sum(s(i)|i#ge#6:4.5*x1(i)+7*x2(i))+@sum(s:z+w);
x1(1)-10000=y1(1);
@for(s(i)|i#ge#2 #and# i#le#4:x1(i)+y1(i-1)-10000=y1(i));
@for(s(i)|i#ge#5 #and# i#le#9:x1(i)+y1(i-1)-30000=y1(i));
@for(s(i)|i#ge#10:x1(i)+y1(i-1)-100000=y1(i));
x2(1)-50000=y2(1);
@for(s(i)|i#eq#2 #or# i#ge#10:x2(i)+y2(i-1)-50000=y2(i));
@for(s(i)|i#ge#3 #and# i#le#9:x2(i)+y2(i-1)-15000=y2(i));
@for(s:0.2*y1+0.4*y2=z+w);
@for(s:x1+x2