运筹学各章的作业题答案

1、为进一步强化公司安全生产、文明施工管理，切实落实安全生产责任，防止重大安全事故发生，保障企业和员工的生命和财产安全manufacturersdrawingsboltfastenedinthecylinderandoutercylinder.Cylindercylinderinthedrainpipeinstallationandmeasuringcomponentleads.6.4.4.3bladecarrier,partitionsandlowerinstallationcheckthesealingringofthesealandsprings,whichshallconformtothetechnicalrequirementsmanufacturersdrawings.CylindergasketonthemountingbracketssupportingtheGroupassembled,thelugsshallbenoBurronthesurface,andotherdebris.Departmentsuiteinplacetomeasuresurfaceandinne。

2、rcylindersurfaceheightdifference,comparedwiththeoriginalvaluesconfirmthelocation.6.4.4.4lowerbearingandthrustbearinginstallationcleanbearingandbearing,thrustbearingjoints,cleanthemwithathinlayerofturbineoil,andthenliftingittobits.6.4.4.5highandmiddlepressurecylinderoverittotheend(forhighpressurerotorandlowpressurechangeflangegasketwithoutconnectionunit)rotorsandrotorflangegasketconnectionandthereisnoconnection,sotherotorinplacecases,rotorsinplacemustbehighandmiddlepressurecylindertogetherwiththe。

3、Chamberoverittotheend.Jackintheboxthatareinstalledonapush-pulldeviceofadjustingthehighandmediumpressurecylindertoendoverandaroundtosetupindicatorstomonitordata,generaldataaboutthedifferencemustnotexceed0.02mm.Topreventcylinderaboutoutofsyncoverthesituation,takethefollowingmeasures:a)overJackusesthesamepump,evenly.B)lefttosetupindicatorstomonitoroverquantity.TopreventthemovementovertheChamberwhentheplaten,atthetopofthefrontbearingplateinstalledtight,thenanchorbasenexttothecorresponding《管理运筹学》各章的作。

4、业----复习思考题及作业题第一章绪论复习思考题1、从运筹学产生的背景认识本学科研究的内容和意义。2、了解运筹学的内容和特点，结合自己的理解思考学习的方法和途径。3、体会运筹学的学习特征和应用领域。第二章线性规划建模及单纯形法复习思考题1、线性规划问题的一般形式有何特征？2、建立一个实际问题的数学模型一般要几步？3、两个变量的线性规划问题的图解法的一般步骤是什么？4、求解线性规划问题时可能出现几种结果，那种结果反映建模时有错误？5、什么是线性规划的标准型，如何把一个非标准形式的线性规划问题转化成标准形式。6、试述线性规划问题的可行解、基础解、基础可行解、最优解、最优基础解的概念及它们之间的相互关系。7、试述单纯形法的计算步骤，如何在单纯形表上判别问题具有唯一最优解、有无穷多个最优解、无界解或无可行解。8、在什么样的情况下采用人工变量法，人工变量法包括哪两种解法？9、大M法中，M的作用是什么？对最小化问题，在目标函数中人工变量的系数取什么？最大化问题呢？10、什么是单纯形法的两阶段法？两阶段法的第一段是为了解决什么问题？在怎样的情况下，继续第二阶段？作业题:1、把以下线性规划问题化为标准。

5、形式：(1)maxz=x1-2x2+x3s.t.x1+x2+x3≤122x1+x2-x3≥6-x1+3x2＝9x1,x2,x3≥0(2)minz=-2x1-x2+3x3-5x4s.tx1+2x2+4x3-x4≥62x1+3x2-x3+x4＝12x1+x3+x4≤4x1,x2,x4≥0为进一步强化公司安全生产、文明施工管理，切实落实安全生产责任，防止重大安全事故发生，保障企业和员工的生命和财产安全manufacturersdrawingsboltfastenedinthecylinderandoutercylinder.Cylindercylinderinthedrainpipeinstallationandmeasuringcomponentleads.6.4.4.3bladecarrier,partitionsandlowerinstallationcheckthesealingringofthesealandsprings,whichshallconformtothetechnicalrequirementsmanufacturersdrawings.Cylindergasketo。

6、nthemountingbracketssupportingtheGroupassembled,thelugsshallbenoBurronthesurface,andotherdebris.Departmentsuiteinplacetomeasuresurfaceandinnercylindersurfaceheightdifference,comparedwiththeoriginalvaluesconfirmthelocation.6.4.4.4lowerbearingandthrustbearinginstallationcleanbearingandbearing,thrustbearingjoints,cleanthemwithathinlayerofturbineoil,andthenliftingittobits.6.4.4.5highandmiddlepressurecylinderoverittotheend(forhighpressurerotorandlowpressurechangeflangegasketwithoutconnectionunit)roto。

7、rsandrotorflangegasketconnectionandthereisnoconnection,sotherotorinplacecases,rotorsinplacemustbehighandmiddlepressurecylindertogetherwiththeChamberoverittotheend.Jackintheboxthatareinstalledonapush-pulldeviceofadjustingthehighandmediumpressurecylindertoendoverandaroundtosetupindicatorstomonitordata,generaldataaboutthedifferencemustnotexceed0.02mm.Topreventcylinderaboutoutofsyncoverthesituation,takethefollowingmeasures:a)overJackusesthesamepump,evenly.B)lefttosetupindicatorstomonitoroverquantity。

8、.TopreventthemovementovertheChamberwhentheplaten,atthetopofthefrontbearingplateinstalledtight,thenanchorbasenexttothecorresponding2(3)maxz=x1+3x2+4x3s.t.3x1+2x2≤13x2+3x3≤172x1+x2+x3=13x1,x3≥02、用图解法求解以下线性规划问题(1)maxz=x1+3x2s.t.x1+x2≤10-2x1+2x2≤12x1≤7x1,x2≥0(2)minz=x1-3x2s.t.2x1-x2≤4x1+x2≥3x2≤5x1≤4x1,x2≥03、在以下问题中，列出所有的基，指出其中的可行基，基础可行解以及最优解。maxz=2x1+x2-x3s.t.x1+x2+2x3≤6x1+4x2-x3≤4x1,x2,x3≥04、用单纯形表求解以下线性规划问题(1)maxz=x1-2x2+x3s.t.x1+x2+x3≤122x1+x2-x3≤6-x1+3x2≤9x1,x2,x3≥0(2)minz=-2x1-x2+3x3-5x4s.tx1+2x2。

9、+4x3-x4≤62x1+3x2-x3+x4≤12x1+x3+x4≤4x1,x2,x3,x4≥0为进一步强化公司安全生产、文明施工管理，切实落实安全生产责任，防止重大安全事故发生，保障企业和员工的生命和财产安全manufacturersdrawingsboltfastenedinthecylinderandoutercylinder.Cylindercylinderinthedrainpipeinstallationandmeasuringcomponentleads.6.4.4.3bladecarrier,partitionsandlowerinstallationcheckthesealingringofthesealandsprings,whichshallconformtothetechnicalrequirementsmanufacturersdrawings.CylindergasketonthemountingbracketssupportingtheGroupassembled,thelugsshallbenoBurronthesurface,andotherdebri。

10、s.Departmentsuiteinplacetomeasuresurfaceandinnercylindersurfaceheightdifference,comparedwiththeoriginalvaluesconfirmthelocation.6.4.4.4lowerbearingandthrustbearinginstallationcleanbearingandbearing,thrustbearingjoints,cleanthemwithathinlayerofturbineoil,andthenliftingittobits.6.4.4.5highandmiddlepressurecylinderoverittotheend(forhighpressurerotorandlowpressurechangeflangegasketwithoutconnectionunit)rotorsandrotorflangegasketconnectionandthereisnoconnection,sotherotorinplacecases,rotorsinplacemust。