运筹学（四川师范大学）知到章节答案智慧树2023年

运筹学（四川师范大学）知到章节测试答案智慧树2023年最新第一章测试AbasicfeasiblesolutionofanLPproblemhaveoneandonlyonerelatedfeasiblebasis.

参考答案:

错IftheprimalLPproblemisunbounded,thenthefeasibleregionofdualproblemmustbeempty.

参考答案:

对IftheLPproblemissolvable,then

参考答案:

ThereisafeasibleregularsolutionofthisLPproblem;ThereexistsanoptimalbasicfeasiblesolutiontothisLPproblem;ThevalueoftheLPproblemisfinite;ThefeasibleregionofthisLPproblemisnonemptyIftheprimalLPproblemhasoptimalsolutions,then

参考答案:

Thedualproblemisbounded;Thefeasibleregionofthedualproblemisnonempty;ThedualproblemhasanoptimalbasicfeasiblesolutionWhichofthefollowingassertionsforthefeasibleregionofastandardLPproblemisincorrect?

参考答案:

Thefeasibleregionmighthaveinfinitelymanyvertices第二章测试IftherelaxedLPproblemhasfeasiblesolution,thentherelatedILPproblemhasnonemptyfeasibleregion

参考答案:

错Afteraddingthecuttingplane,thenewsimplextablecorrespondstoaregularsolutiontothenewLPproblem

参考答案:

对Inthebranch-and-boundmethod,theboundisthevalueofcostfunctiononaintegeroptimalsolutiontosomerelaxedsub-problem

参考答案:

对Whichofthefollowingassertionsforthebranch-and-boundmethodarecorrect?

参考答案:

IfthecorrespondingrelaxedLPproblemhasanintegeroptimalsolution,thenthissolutionistheoptimalsolutionofILPproblem;Ifthevalueofcurrentsub-problemislargerthanthebound,thebranchforthissub-problemshouldbecutoff.Whichofthefollowingassertionsforthecuttingplanemethodarecorrect?

参考答案:

IntheprocedureofsolvingILPbycuttingplanemethod,thefeasibleregionoftherelaxedLPproblemwillbecomesmallerineachiteration.;Afteraddingthecuttingplane,ifthenewrelaxedproblemisunsolvablethen,theoriginalILPisunsolvable;Afteraddingthecuttingplane,oneshouldusingthedualsimplexmethodtosolvethenewrelaxedproblem第三章测试Whichofthefollowingassertionsforthedescentdirectionisincorrect?

参考答案:

Whenoneusesthedescentdirectiontoconstructaiterationalgorithm,thestepsizeshouldbesufficientlylarge.Whichofthefollowingassertionsfortheconvexfunctionareincorrect?

参考答案:

TheHessianmatrixofstrictlyconvexfunctionispositivedefinite;IfanylevelsetofafunctionisconvexthenthisfunctionisaconvexfunctionInaconvexprogrammingproblem,theequalityconstraintfunctionsshouldbelinearfunctions

参考答案:

对Inthefollowingassertions,whichonesareincorrect?

参考答案:

Inanunconstrainedoptimizationproblem,iftheHessianmatrixonastationarypointofthecostfunctionispositivesemi-definitethen,thestationarypointisalocalminimizerInthesteepestdescentalgorithm,anytwoadjacentsearchdirectionsareorthogonaltoeachother

参考答案:

对第四章测试Whenwewritescientificpapers,whatkindofwordsareoftenused?

参考答案:

acronyms;antonyms;compoundwordsIfsomeresultshasbeenfoundinthepastandtheystillhaveanimpactonthepresent,whatkindoftenseweneedtouseinthewriting?

参考答案:

presentperfecttenseWeneedtoreadcarefullytheentirecontentforanypaper.

参考答案:

错Basicfunctionofauthor’snameisonly