教学文库网 - 权威文档分享云平台
您的当前位置:首页 > 文库大全 > 求职职场 >

不确定优化问题的若干模型与算法研究(4)

来源:网络收集 时间:2026-01-21
导读: Considering2S—SPsuchas(3.2.1),whichhas asconvexfunctions,Basingonperturbtheory,thedualproblemisgotfo

Considering2S—SPsuchas(3.2.1),whichhas

asconvexfunctions,Basingonperturbtheory,thedualproblemisgotfollows:

supD=supinfL(x,y).

,)

Where,上(x.∥)=inf{“7y+F(x,Ⅳ))5上1(r,y)+fL2

EspeciallywhenallfunctionsaregO,X1,X2(珊))p(d珊)rdualprogrammingoflinearaboutx,the

2S—SLPwhichhastheform(3.2.4)is:

max

v口fm}vb+l删rr(c。)H(co)p(doa)

c1一vA—Izc(ro)T(co)p(dco)≥0

“_{C2(03)一7r(co)w(co)≥0

V、F(∞)≥0

L(3.2.5)

Wecanseeatoncethatifdeletetherandomfunctionsinprimalproblem(3.24)

山东大学博士学位论文

anddualproblem(3.2.5)thenwecangettraditionalprimal—dualformaboutcertainproblem.What’Smore,theconclusionaboveisconsistentwiththatin[74].(3.25)extendsthedualoflinearprogrammingto2S—SLP,whichnotonlyconsummatesthetheorybutalsobringnewideaforcomputingthismodel.

Intheviewofapplication,othertwouncertainoptimizationproblemsarestudiedinchapter4.Oneislocationprobleminuncertainenvironmentstudiedin§4.1.BynOWitonlyhaveappearedinlittlereferencessuchasapplyingfuzzyjudgeandconsideringtherandomdemand.Buttheformerhasthedifferentsubjectionfunctionbydifferentexpertsandthelatteroftensupposedistributionfunctionhasbeenknown.ThiscasewillbnngmoreuncertainelementfordecisionmakerSOweintroduceintervalvariabletodescribethelocationproblem.Intervalprogrammingisintroducedfirstly,thensomeintervalprogrammingaboutlocationareestablishedwhichincludes:optimizemodel、pessimismmodel、expectationmodel、uncertain-valuemodel、losingmodel、robustmodelandmulti-programming.

Theotherproblemisaboutthereductionindecisiontablebasedonroughset.Duetoitspracticaluseinknowledgediscoveryanddatamining,reductionisbecomingmoreimportantaspectofcomputerscience.Nowtherearesomeattributereductionmethods【86—91]:suchasbasedondistinguishmatrixinalgebraviewandusingentropyininformationview.Atthesametime,forit'scharacterofNP—Hard,peopleoftenintroducesuggestingintelligentalgorithmasgeneticalgorithmandparallelcooperatingalgorithminlarge-scaleproblemBasedontherelationshipbetweenattributereductionandlogicoperations,allintegerprogrammingalgorithm4.2tofindingminimalsizereductionisproposedin§4.2.whichcarlavoidcompiicatedlogicoperations,andbecomesmoreeffectivelyindynamicenvironment.Theexperimentsanalysisisgiventoshowtheefficiencyofalgorithmsinchapter4.

Theinnovateviewpointsofthisdissertationareasfollows:

1.Wecoordinatethebasicmodelsofstochasticprogrammingandperfectthedefinitionofoptimalvalueandsolutioninrandommodel.What’Smore,therelationsbetweenthemarediscussedandtheequivalenceformsarereinforced.

2.Inintegratedchanceconstraintsmodel,thecharacterofsubjectivelinearfunctionisexpandedtothatofconvexfunction.Wegetgoodcharacterwhichincludingtheconvexityofsolutionset,continuumanddifferentiabilityofrestrictionfunctionandX

些查查堂堕主兰|三堡笙茎

designtwoalgorithms

variable.

3Byapplyingbileverprogramming

findthattotocomputerrandomproblemswithdiscreteorcontinuesstudythetwo—stagemodelwithrecourse,webileverprogrammingandgivetheexisting2S.SPisequalformallyto

conditionofoptimalsolutionin2S—SLP、2S.SNLP.Atthesametimeweresearch …… 此处隐藏:2142字,全部文档内容请下载后查看。喜欢就下载吧 ……

不确定优化问题的若干模型与算法研究(4).doc 将本文的Word文档下载到电脑,方便复制、编辑、收藏和打印
本文链接:https://www.jiaowen.net/wenku/118907.html(转载请注明文章来源)
Copyright © 2020-2025 教文网 版权所有
声明 :本网站尊重并保护知识产权,根据《信息网络传播权保护条例》,如果我们转载的作品侵犯了您的权利,请在一个月内通知我们,我们会及时删除。
客服QQ:78024566 邮箱:78024566@qq.com
苏ICP备19068818号-2
Top
× 游客快捷下载通道(下载后可以自由复制和排版)
VIP包月下载
特价:29 元/月 原价:99元
低至 0.3 元/份 每月下载150
全站内容免费自由复制
VIP包月下载
特价:29 元/月 原价:99元
低至 0.3 元/份 每月下载150
全站内容免费自由复制
注:下载文档有可能出现无法下载或内容有问题,请联系客服协助您处理。
× 常见问题(客服时间:周一到周五 9:30-18:00)