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60 个结果
  • 简介:Inthisnotewepresentaconstructiveproofofsymmetricaldeterminantalformulasforthenumeratoranddenominatorofanordinaryrationalinterpolant,considertheconfluencecaseandgivenewdeterminantalformulasoftherationalinterpolantbymeansofLagrange’sbasisfunctions.

  • 标签: INTERPOLATION BASIS DETERMINANT
  • 简介:WestructureakindofrationalsplinesfarintroducingsomeofthePadeapproximenttechniquesintorationalsplines.Inthispaper,theresultsontheexistence,uniquenessandalgorithmoftherationalsplinearegivenandanumericalexampleisprovided.

  • 标签: RATIONAL SPLINE FRACTION in lowest TERMS
  • 简介:Thispaperdealswithrationalinterpolation.Fromalgebraicviewpoint,wepresentanalgebraicformulationofrationalinterpolationanddiscusstheexistenceoftheinterpolationfunction.Finallyanalgorithmforunivariatecaseandanexamplearepresented.

  • 标签: 代数法 有理数 插值函数 存在性 单变量
  • 简介:Asweknow,Newton'sinterpolationpolynomialisbasedondivideddiffer-enceswhichcanbecalculatedrecursivelybythedivided-differenceschemewhileThiele'sinterpolatingcontinuedfractionsaregearedtowardsdeterminingarationalfunctionwhichcanalsobecalculatedrecursivelybyso-calledinversedifferences.Inthispaper,bothNewton'sinterpolationpolynomialandThiele'sinterpolatingcontinuedfractionsareincorporatedtoyieldakindofbivariatevectorvaluedblendingrationalinterpolantsbymeansoftheSamelsoninverse.Blendingdifferencesareintroducedtocalculatetheblendingrationalinterpolantsrecursively,algorithmandmatrix-valuedcasearedis-cussedandanumericalexampleisgiventoillustratetheefficiencyofthealgorithm.

  • 标签: 插值多项式 混合有理插入项 向量 递归计算 差分法
  • 简介:Afamilyofpiecewiserationalquinticinterpolationispresented.Eachinterpolationofthefamily,whichisidentifieduniquelybythevalueofaparameterαi,isofC2continuitywithoutsolvingasystemofconsistencyequationsforthederivativevaluesattheknots,andcanbeexpressedbythebasisfunctions.InterpolantisofO(hr)accuracywhenf(x)?Cr[a,b],andtheerrorshaveonlyasmallfloatingforabigchangeoftheparameterαi,itmeanstheinterpolationisstablefortheparameter.Theinterpolationcanpreservetheshapepropertiesofthegivendata,suchasmonotonicityandconvexity,andaproperchoiceofparameterαiisgiven.

  • 标签: 有理插值 C++ 分段 类型 插值算法 人工智能
  • 简介:Anrationalandeffectivefuzzychoicestrategytocompetitionandcooperation(C&C)fortwo-playercompetitivesituationsissubmittedinthispaper,whichcomputesplayer'stotalperformanceincludingbothabsoluteandrelativeperformanceandrepresentingtherelationbetweencooperationdegreeandtheobjectiveandsubjectivefactorsthattheyarefaced;analgorithmtothepracticalproblembasedonfuzzyoptimizingtechniqueisthenanalyzedstressinthefuzzysense,themethodcanbeusedfortheplayertoobtainarationalbehaviourunderthecompetitiveenvironment,somekeyfactorsforimplementationthedecisionmakingschemeareproposedtoo;finally,thesuggestedmethodisillustratedbyanumericalexample.Itprovidesusefulreferencemodelfortheplayertorealizerationaldecisionmakingstrategyundertheunceratintyenvironment.

  • 标签: 竞争与合作 最佳操作 决策分析 理性行为 模糊优化 博奕论
  • 简介:AnorthogonalsystemofrationalfunctionsisderivedfromthemappedLaguerrepolynomials,whichisusedfornumericalsolutionofsingulardifferentialequations.Amodelproblemisconsidered.Amultiple-stepalgorithmisdevelopedtoimplementthismethod.Numericalresultsshowtheefficiencyofthisnewapproach.

  • 标签: 有理谱法 微分方程 Laguerre多项式 有理函数
  • 简介:在这篇论文,我们学习随它的合理翻译设置的Mcmullen的交叉。主要困难是交叉的产生结构。由翻译向量的根值扩大,我们给它的分数维的描述。我们发现这些的Hausdorff措施给形式价值其非零仅仅来自翻译向量的一个分离系列(x,y)与它的根值扩大。

  • 标签: 交集 有理数 豪斯多夫极大原理 计算方法
  • 简介:Thispaperstudiesthedynamicsoftheanalyticfamilyz+1/z+banddescribesthetopologyoftheparameterspace,structuralstabilityandJ-stability.Themappingclassgroupofalmostallmapsoftheabovefamilyisdetermined.

  • 标签: 复动力学 朱丽叶集 结构稳定性 映射类群
  • 简介:FromthesurveyofcoastalresourcesandthefunctionalzoingofthemarineandcoastsalareasofShandongProvince,theauthorshavecollectedagooddeelofpracticaldata,andatthesametime,foundoutsomeirrationalphenomenaintheexploitationandutilizationofcoastalresources.TaKingthecoastalareaofShandongProvinceasanexample.Thispapermakesananalysisontherationalutilizationofcoastalresources.

  • 标签: 双山 瞬目 公众 山阳 山脚 攻心
  • 简介:Efficientalgorithmsareestablishedforthecomputationofbivariatelacunaryvectorvaluedrationalinterpolantsbasedonthebranchedcontinuedfractionsandanumericalexampleisgiventoshowhowthealgorithmsareimplemented,

  • 标签: BRANCHED continued FRACTION INTERPOLATION algorithm.
  • 简介:In[3],akindofmatrix-valuedrationalinterpolants(MRIs)intheformofRn(x)=M(x)/D(x)withthedivisibilityconditionD(x)|‖M(x)‖2,wasdefined,andthecharacterizationtheoremanduniquenesstheoremforMRIswereproved.Howeverthisdivisibilityconditionisfoundnotnecessaryinsomecases.Inthispaper,weremovethisrestrictedcondition,definethegeneralizedmatrix-valuedrationalinterpolants(GMRIs)andestablishthecharacterizationtheoremanduniquenesstheoremforGMRIs.OnecanseethatthecharacterizationtheoremanduniquenesstheoremforMRIsarethespecialcasesofthoseforGMRIs.Moreover,bydefiningakindofinnerproduct,wesucceedinunifyingtheSamelsoninversesforavectorandamatrix.

  • 标签: 矩阵值 有理数插值 唯一性 可分割条件
  • 简介:Avarietyofmatrixrationalinterpolationproblemsincludethepartialrealizationproblemformatrixpowerseriesandtheminimalrationalinterpolationproblemforgeneralmatrixfunctions.Severalproblemsincircuittheoryanddigitalfilterdesigncanalsobere-ducedtothesolutionofmatrixrationalinterpolationproblems[1—4].Bymeansofthereachabilityandtheobservabilityindicesofdefinedpairsofmatrices,Antoulas,Ball,KangandWillemssolvedtheminimalmatrixrationalinterpolationproblemin[1].Onthe

  • 标签:
  • 简介:在这篇论文,我们在一套部分微分合理参量的方程P的theimplicitization为下列问题建议算法。(1)发现一个特征为P的含蓄的主要理想设定;(2)为P的图象发现一个正规代表;(3)决定P的参数是否是独立的,并且如果不,tore-parameterizeP以便新参量的方程有独立参数;(4)P印射计算倒置,并且作为后果,决定P是否是合适的。

  • 标签: 偏微分 参数方程 算法 特征集
  • 简介:LetιbeatriangulationofapolygonaldomainDR2withverticesV={v1:1≤i≤N,}andRSk(D,τ)={u∈Ck(D):(T∈τ,u|τisarationalfunction}.Thepurposeofthispaperistostudytheexist-enceandconstructionofCμ-rationalsplinefunctionsonanytriangulationτforCAGD.TheHermiteprob-lemHμ(V,U)={findu∈

  • 标签: TRIANGULATION spline CAGD polygonal rational vertex
  • 简介:AnewkindofvectorvaluedrationalinterpolantsisestablishedbymeansofSamelsoninverse,withscalarnumeratorandvectorvalueddenominator.ItisessentiallydifferentfromthatofGraves-Morris(1983),wheretheinterpolantsareconstructedbyThiele-typecontinuedfractionswithvectorvaluednumeratorandscalardenominator.Thenewapproachismoresuitabletocalculatethevalueofavectorvaluedfunctionforagivenpoint.Andanerrorformulaisalsogivenandproven.

  • 标签: NEVILLE型矢量 有理数插值对象 数量分子 矢量值分母