简介：Forill-posedbilevelprogrammingproblem,theoptimisticsolutionisalwaysthebestdecisionfortheupperlevelbutitisnotalwaysthebestchoiceforbothlevelsiftheauthorsconsiderthemodel'ssatisfactorydegreeinapplication.Toacquireamoresatisfyingsolutionthantheoptimisticonetorealizethetwolevels'mostprofits,thispaperconsidersbothlevels'satisfactorydegreeandconstructsaminimizationproblemofthetwoobjectivefunctionsbyweightedsummation.Then,usingthedualitygapofthelowerlevelasthepenaltyfunction,theauthorstransferthesetwolevelsproblemtoasingleoneandproposeacorrespondingalgorithm.Finally,theauthorsgiveanexampletoshowamoresatisfyingsolutionthantheoptimisticsolutioncanbeachievedbythisalgorithm.

简介：Inthispaper,atwo-scalefiniteelementapproachisproposedandanalyzedforapproximationsofGreen'sfunctioninthree-dimensions.Thisapproachisbasedonatwo-scalefiniteelementspacedefined,respectively,onthewholedomainwithsizeHandonsomesubdomaincontainingsingularpointswithsizeh(h<

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简介：ThisnotepointsoutstheinappropriatenessofanaccuracyfunctionintroducedbyYe[Ye,J.(2009).Multicriteriafuzzydecision-makingmethodbasedonanovelaccuracyfunctionunderinterval-valuedintuitionisticfuzzyenvironment.ExpertSystemswithApplications,36(3):6899-6902]anditsmisleadinguseforcomparingtwointerval-valuedintuitionisticfuzzynumbers.