lingo程序求解model:sets:jingkou/1..9/:n;zuobiao/1,2/;links(jingkou,zuobiao):d;endsetsdata:n=17 40 60 20 25 15 50 8 30;d=22 8 4 51 38 17 81 19 6238 13 81 32 11 12 63 45 12;enddatamin=@sum(jingkou(i):n(i)*((x-d(i,1)^2)+(y-d(i,2)^2))*k;@bnd(4,x,81);
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![lingo程序求解model:sets:jingkou/1..9/:n;zuobiao/1,2/;links(jingkou,zuobiao):d;endsetsdata:n=17 40 60 20 25 15 50 8 30;d=22 8 4 51 38 17 81 19 6238 13 81 32 11 12 63 45 12;enddatamin=@sum(jingkou(i):n(i)*((x-d(i,1)^2)+(y-d(i,2)^2))*k;@bnd(4,x,81);](/uploads/image/z/2759710-22-0.jpg?t=lingo%E7%A8%8B%E5%BA%8F%E6%B1%82%E8%A7%A3model%3Asets%3Ajingkou%2F1..9%2F%3An%3Bzuobiao%2F1%2C2%2F%3Blinks%28jingkou%2Czuobiao%29%3Ad%3Bendsetsdata%3An%3D17+40+60+20+25+15+50+8+30%3Bd%3D22+8+4+51+38+17+81+19+6238+13+81+32+11+12+63+45+12%3Benddatamin%3D%40sum%28jingkou%28i%29%3An%28i%29%2A%28%28x-d%28i%2C1%29%5E2%29%2B%28y-d%28i%2C2%29%5E2%29%29%2Ak%3B%40bnd%284%2Cx%2C81%29%3B)
lingo程序求解model:sets:jingkou/1..9/:n;zuobiao/1,2/;links(jingkou,zuobiao):d;endsetsdata:n=17 40 60 20 25 15 50 8 30;d=22 8 4 51 38 17 81 19 6238 13 81 32 11 12 63 45 12;enddatamin=@sum(jingkou(i):n(i)*((x-d(i,1)^2)+(y-d(i,2)^2))*k;@bnd(4,x,81);
lingo程序求解
model:
sets:
jingkou/1..9/:n;
zuobiao/1,2/;
links(jingkou,zuobiao):d;
endsets
data:
n=17 40 60 20 25 15 50 8 30;
d=22 8 4 51 38 17 81 19 62
38 13 81 32 11 12 63 45 12;
enddata
min=@sum(jingkou(i):n(i)*((x-d(i,1)^2)+(y-d(i,2)^2))*k;
@bnd(4,x,81);
@bnd(11,y,81);
end
lingo程序求解model:sets:jingkou/1..9/:n;zuobiao/1,2/;links(jingkou,zuobiao):d;endsetsdata:n=17 40 60 20 25 15 50 8 30;d=22 8 4 51 38 17 81 19 6238 13 81 32 11 12 63 45 12;enddatamin=@sum(jingkou(i):n(i)*((x-d(i,1)^2)+(y-d(i,2)^2))*k;@bnd(4,x,81);
语法错误 min一句少了右括号
改后是无界解 自己查一下目标函数是不是写错了