学科分类
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36 个结果
  • 简介:Simulationmethodisanimportant-toolinfinancialriskmanagement.Itcansimulatefinancialvariableoreconomicwriableanddealwithnon-linearornon-nominalissue.Thispaperanalyzestheusageof"MonteCarlo"approachincommercialbankriskmanagement.

  • 标签: 商业银行 风险管理 蒙特卡罗模拟 管理体制
  • 简介:Accordingtothepreciseephemerishasonlyprovidedsatellitepositionthatisdiscretenotanytime,soproposethatmakeuseofinterpolationmethodtocalculatesatellitepositionatanytime.TheessaytakeadvantageofIGSpreciseephemerisdatatocalculatesatellitepositionatsometimebyusingLagrangeinterpolation,Newtoninterpolation,Hermiteinterpolation,Cubicsplineinterpolationmethod,Chebyshevfittingmethodrespectively,whichhasadeeplyanalysisintheprecisionoffiveinterpolations.TheresultsshowthattheprecisionofCubicsplineinterpolationmethodistheworst,theprecisionofChebyshevfittingisbetterthanHermiteinterpolationmethod.LagrangeinterpolationandNewtoninterpolationarebetterthanothermethodsinprecision.Newtoninterpolationmethodhastheadvantagesofhighspeedandhighprecision.Therefore,Newtoninterpolationmethodhasacertainscientificsignificanceandpracticalvaluetogetthepositionofthesatellitequicklyandaccurately.

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  • 简介:Onthebasisofanalyzingtheflawsofpresentsomemultipleattributesclassificationdecision-makingmethods,tothequestionofcharacteristicsofthemultipleat-tributesclassificationdecision-makingandparticularemphasisofrespectiveattributesinthedecision-makingprocess,aswellasitsrelevancetothedecisionmakingenvironment,thepaperfirstlyformulatesanoptimalattributessystem,thenusestheMultiplicativeAnalyticHierarchyProcess(MAHP)todeterminesubjectiveweightcoefficients,estimatetheobjectiveweightcoefficients,establishestheoptimalmodeloftheweightcoefficientsofthewholeoptimalattributessystem,andobtaintheweightsonattributes.Furthermore,thepaperpresentsadecision-makingmethodandgivesitsdetailimplementationprocedure.Finally,anexampleisgiventoshowthefeasibilityandeffectivenessofthismethod.

  • 标签: 决策模型 多属性分类判定 MAHP 主观加权系数 经济分析
  • 简介:TheE-supplychainisformedgraduallyalongwiththedevelopmentofnetwork,whichisgettingmoreattentionamongenterpriseswithuniqueadvantages.ThreeE-supplychainoperationmodesareconstructedinthispaper,thentheoptimalpricingandadvertisingstrategiesunderthosemodesarestudiedandcompared,whicharedemonstratedwithnumericalexamples.Theresultsofcomparisonandanalysisshowthat:Sellingprice,networkplatformservicelevel,advertisinginvestmentandtheprofitsofmanufacturer,networkplatformandE-supplychainallincreasewithadvertisingeffectivenessofstimulatingdemandgrowth.Undercentralizeddecision-makingmode,servicelevelishighest,advertisinginvestmentislargestandtheprofitofE-supplychainishighestaswell.Whenmanufacturerleadsdecentralizeddecision-makingmode,notonlynetworkservicelevel,advertisinginvestmentandtheprofitofmanufacturercangainbetterresults,butalsoprofitofnetworkplatformcanbehigherwhiletheadvertisementeffectofincreasingdemandisbigenough.Additionally,itisconfirmedthatcentralizeddecision-makingisbetterthandecentralizeddecision-makingforsystemoperation.Besides,decentralizeddecision-makingmodeledbymanufacturerissuperiortoitledbynetworkplatformontheconditionthatadvertisementeffectisobvious.

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  • 简介:BybuildingupanAIDSmodelofChineseruralresidents,classifiedintofivegroupsbyincome,concludingsixcommodities(services),analysesthediversityofconsumptionbehavioroutofincomedifference.Wedrawthefollowingconclusions:Firstly,thereexistssomedifferencebetweendifferentincomegroupsincommodities(services)consumption.Secondly,increaseoffarmers'incomewillbefavorabletotheenhancementofconsumptionlevelandupgradingofconsumptionstructure.Thirdly,themediumincomegroup,asonespecialmass,featuresatransitionalmainbodyofconsumptionstructure.Finally,thepolicymakersshouldsupportthefarmerswithlowerincomeincompulsoryeducation,suchasmoreandnecessarytransferpayments.

  • 标签: 收益相异 乡村居民 AIDS 消费行为