lingo 數(shù)模
提示model is ill defined,
SETS:
租賃點(diǎn)坐標(biāo)及其容量和7:00~8:30,11:00~12:30,17:30~19:00需求量,初始量,實(shí)際量,騎走的車,得到的車;
Sites/S1..S30/ :x,y,sites_capacity,demand1,demand2,demand3,sites_initiation,sites_possess,away,get;
租賃點(diǎn)距離,還車概率,距離與還車概率乘積常數(shù);
Links(sites,sites):distance,return_rate,constant_d_and_r,goto;
ENDSETS
@for(sites:
\x05@sum(sites:return_rate(i,j)) =1);
還車距離少于2km且距離不為0;
@for(links:
\x05return_rate(i,j) = @if(distance(i,j) #gt# 2 #and# distance(i,j) #ne# 0,0,constant_d_and_r(i,j)/ distance(i,j)));