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优化模型讲解 附LINGO程序 - 百度文库

Դû ʱ䣺2025/10/12 1:09:26 loading ƪĵֻ
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@for(jd(i):@gin(k(i))); end

˵1#gt#߼˼ǡڡ߼ϵʽi#gt#1˼ǡi>1LINGOе߼оֱ֣ #and#룩 #eq#ڣ #ge#ڵڣ #or# #ne#ڣ #lt#Сڣ #not#ǣ #gt#ڣ #le#Сڵڣ 2i?1ʱk0ڼУڳб뽫i?1ʱԼдk(1)=10+z(1)+j(1)-x(1);

i?2,3,4ѭҪ߼ϵʽi#gt#1

֮ߡ|ֿΪ@for(jd(i)|i#gt#1:k(i)=k(i-1)+z(i)+j(i)-x(i));˼ǡi>1i?2,3,4ʱ 5.4

֪ʶϵ൱ԼϵԪΪ±顣磬xiʾxһά飻ôxijӦñʾxĶά飬±ӦϵԪأĶάϣֱʾʽıʾdzƣLINGOģҲΪ

ֱӰԪоٳļϣΪϡڻ϶ĶάάϳΪϡ

ϳʽ(1,2):ԡ 磬2.3⡣ ģͽ

ki(i?1,2)ʾiúĽúqj(j?1,2,3)ʾjСcijʾiújСãxijʾiújСĹúܷüf

23ijminf???ci?1j?1xij?3??xij?ki(i?1,2)?j?1 ?2s.t??xij?qi(j?1,2,3)?i?1?xij?0(i?1,2;j?1,2,3)??LINGO

11

model: sets: mc/jia,yi/:kc; jm/a,b,c/:xq; links(mc,jm):c,x; endsets data: kc=60,100; xq=50,70,40; c=10,5,6 4,8,12; enddata

min=@sum(links(i,j):c(i,j)*x(i,j)); @for(mc(i):@sum(jm(j):x(i,j))=kc(i)); @for(jm(j):@sum(mc(i):x(i,j))=xq(j)); end

5.5 ͨӱExcelļ

ʵӦУдǴExcelӱУLINGOͨ@oleʵExcelļݴݣֻģ͵ļ϶κݶΣֵøʽǣ

1/@ole(ļ.xls,Ԫ/ָExcelļеָԪΪϵԪء

2=@ole(ļ.xls,Ԫ)ʽָExcelļеָԪݸֵԡ

3@ole(ļ.xls,Ԫ) =ԣʽԵֵָExcelļеָԪ

עʱر֤ExcelļLINGOļͬһļ¡ 磬4.3Ӿӵѡ⡣ ģͽ

tij(i?1,2,3,4,5;j?1,2,3,4)ʾiԱĵjӾ˵ijɼxijʾiԱĵjӾǷѡ

?1,iԱĵjӾ˱ѡxij??

0,iԱĵjӾδѡ?12

ܳɼΪf

54ijminf???ti?1j?1xij?5??xij?1(i?1,2,3,4)?j?1?4s.t??xij?1(j?1,2,3,4,5)?i?1?0?xij?1Ϊ(i?1,2,3,4;j?1,2,3,4,5)??

LINGO

model: sets:

dy/@ole('Ӿӵѡ.xls','duiyuan')/; yz/@ole('Ӿӵѡ.xls','yongzi')/; xb(dy,yz):t,x; endsets data:

t=@ole('Ӿӵѡ.xls','chengji'); enddata

min=@sum(xb(i,j):t(i,j)*x(i,j)); @for(dy(i):@sum(yz(j):x(i,j))<=1); @for(yz(j):@sum(dy(i):x(i,j))=1); @for(xb(i,j):@bin(x(i,j))); end 5.6

ӱ˷ɻŦԼīǡ׶ءΣÿȥҽȥһΣٻصΰ·ʹó̡м亽߾£

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