您好,欢迎访问三七文档
技术官员村位于位于亚运城东部,主干道二以东石楼涌以西的地块,占地面积、m2,总建筑面积、m2,共包括地下室南区、地下室北区、地上部分1栋~12栋、服务中心、室外工程等多个单体工程。其中住宅面积m2,共12栋,1~7栋建筑层数为11层,8~12栋11层(局部复式顶层),首层局部架空,布置公建配套设施。integratedenergy,chemicalsandtextileYibincity,arethethreecorepillarsoftheindustry.In2014,thewuliangyebrandvalueto73.58billionyuan,thecity'sliquorindustrysliptostabilise.Promotingdeepdevelopmentofintegratedenergy,advancedequipmentmanufacturingindustry,changningdistrict,shalegasproductioncapacityreached277millioncubicmetres,builtthecountry'sfirstindependenthigh-yieldwellsandpipelinesinthefirstsection,theleadinfactoryproductionandsupplytothepopulation.2.1-3GDPgrowthfigure2.1-4Yibin,Yibincity,Yibincity,fiscalrevenuegrowth2.1.4topographyterrainoverallisSouthwest,North-EasternState.Lowmountainsandhillsinthecitylandscapeasthemainridge-and-Valley,pingbasmallfragmentednaturepictureforwaterandthesecondlandofthesevenhills.236metersto2000metersabovesealevelinthecity,lowmountain,46.6%hills45.3%,pingbaonly8.1%.2.1.5developmentofYibinlandscapesanddistinctivefeatureinthecenterofthecity,withlimitations,andspatialstructureoftypicalzonalgroup,2012-citiesinbuildingwithanareaofabout76.2km2.Fromcity-buildingsituation,oldtown-theSouthBankCenterconstructionislaggingbehind,disintegrationoftheoldcityisslow,optimizationandupgrading,qualitypublicserviceresourcesarestillheavilyconcentratedintheoldtowntogether.SouthbankCentrehasnotbeenformed,functionsoftheserviceareaspaceismissing.Meanwhile,peripheralgroupcentresservicewasweakandinadequateaccountingforcitydevelopment,suspiciouspatterncouldnotbeformed.Asregardstransport,withtheoutwardexpansionofcities,citieshavebeenexpanding,centripetalcitytrafficorganizationhasnotchanged,integratedenergy,chemicalsandtextileYibincity,arethethreecorepillarsoftheindustry.In2014,thewuliangyebrandvalueto73.58billionyuan,thecity'sliquorindustrysliptostabilise.Promotingdeepdevelopmentofintegratedenergy,advancedequipmentmanufacturingindustry,changningdistrict,shalegasproductioncapacityreached277millioncubicmetres,builtthecountry'sfirstindependenthigh-yieldwellsandpipelinesinthefirstsection,theleadinfactoryproductionandsupplytothepopulation.2.1-3GDPgrowthfigure2.1-4Yibin,Yibincity,Yibincity,fiscalrevenuegrowth2.1.4topographyterrainoverallisSouthwest,North-EasternState.Lowmountainsandhillsinthecitylandscapeasthemainridge-and-Valley,pingbasmallfragmentednaturepictureforwaterandthesecondlandofthesevenhills.236metersto2000metersabovesealevelinthecity,lowmountain,46.6%hills45.3%,pingbaonly8.1%.2.1.5developmentofYibinlandscapesanddistinctivefeatureinthecenterofthecity,withlimitations,andspatialstructureoftypicalzonalgroup,2012-citiesinbuildingwithanareaofabout76.2km2.Fromcity-buildingsituation,oldtown-theSouthBankCenterconstructionislaggingbehind,disintegrationoftheoldcityisslow,optimizationandupgrading,qualitypublicserviceresourcesarestillheavilyconcentratedintheoldtowntogether.SouthbankCentrehasnotbeenformed,functionsoftheserviceareaspaceismissing.Meanwhile,peripheralgroupcentresservicewasweakandinadequateaccountingforcitydevelopment,suspiciouspatterncouldnotbeformed.Asregardstransport,withtheoutwardexpansionofcities,citieshavebeenexpanding,centripetalcitytrafficorganizationhasnotchanged,实验九供应与选址问题【实验目的】1.了解非线性规划问题的基本概念和求解方法。2.通过对应用问题的分析、建模、求解,加深对非线性规划理论的理解。3.学习掌握MATLAB有关非线性规划求解的命令。【实验内容】某建筑公司有6个建筑工地要开工,每个工地的位置(用平面坐标a,b表示,距离单位:千米)及水泥日用量d(吨)由表1给出。目前有两个废旧的料场位于(5,1),(2,7)处,现需要重新建设A、B两个料场,日储存量各为20吨。试问料场A、B各设在何处,并且如何制定每天的原料供应计划,使得从A、B两料场分别向各工地运送水泥总的吨千米数最小。表1工地的位置(a,b)及各工地水泥日用量位置及用量123456横坐标a1.258.750.55.7537.25纵坐标b1.250.754.7556.57.75d(吨)3547611【实验准备】很多实际问题所归结的优化数学模型中,目标函数或约束条件很难用线性来表达。如果目标函数或约束条件中包含有非线性函数,就称这种优化模型为非线性规划问题。1.非线性规划问题数学模型的一般表示min)(xf..ts)(xgi≤0i=1,2,…,m(1))(xhj=0j=1,2,…,k其中x∈nR,)(xf为目标函数,)(xgi,)(xhj为约束函数,在这些函数中至少有一个是非线性函数。令S={x|)(xgi≤0i=1,2,…,m;)(xhj=0j=1,2,…,k}(2)称S为可行集或可行域,S中的点称为可行点。这样(1)可用集约束的形式来表示min)(xf,..tsx∈S(3)设)(xf为目标函数,S为可行域,*x∈S,若对每一个x∈S均有)(xf≥)(*xf,则称*x为极小化问题(1)的最优解(整体最优解);若存在*x的某邻域,使得对该邻域中每个x成立)(xf≥)(*xf,则称*x为极小化问题的局部最优解。至于求目标函数的最大值或约束条件为小于等于零的情况,都可通过取其相反数,化为(1)所示的一般形式。库恩-塔克(Kuhn-Tucker)条件:若*x为问题(1)的可行点,I={i|)(xgi=0},)(xf和)(xgi在*x处可微,)(xgi(iI)在*x点处连续,)(xhj在*x连续可微,且有向量集{▽)(*xgi,▽)(*xhj|iI,j=1,2,…,k}线性无关,则存在非负数1,…,技术官员村位于位于亚运城东部,主干道二以东石楼涌以西的地块,占地面积、m2,总建筑面积、m2,共包括地下室南区、地下室北区、地上部分1栋~12栋、服务中心、室外工程等多个单体工程。其中住宅面积m2,共12栋,1~7栋建筑层数为11层,8~12栋11层(局部复式顶层),首层局部架空,布置公建配套设施。integratedenergy,chemicalsandtextileYibincity,arethethreecorepillarsoftheindustry.In2014,thewuliangyebrandvalueto73.58billionyuan,thecity'sliquorindustrysliptostabilise.Promotingdeepdevelopmentofintegratedenergy,advancedequipmentmanufacturingindustry,changningdistrict,shalegasproductioncapacityreached277millioncubicmetres,builtthecountry'sfirstindependenthigh-yieldwellsandpipelinesinthefirstsection,theleadinfactoryproductionandsupplytothepopulation.2.1-3GDPgrowthfigure2.1-4Yibin,Yibincity,Yibincity,fiscalrevenuegrowth2.1.4topographyterrainoverallisSouthwest,North-EasternState.Lowmountainsandhillsinthecitylandscapeasthemainridge-and-Valley,pingbasmallfragmentednaturepictureforwaterandthese
本文标题:供应与选址问题
链接地址:https://www.777doc.com/doc-5432331 .html