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108 个结果
  • 简介:InthispaperitisstudiedthatthegeneratedtheoryofwaverecursiveinterpolationofuniformT-subdivi-stonschemeincludewaveparameter.ThepaperanalysestheconvergenceofsequencesofcontrolpolygonsproducedbywaverecursiveinterpolationT-subdivisionschemeoftheformj=l,2,…,T-1;m=O,l,…,nTk;k=0,l,2,…,anddifferentiabilityofthelimitcurve.

  • 标签: 厂界 二外 气户 二价 八一 合一
  • 简介:Inthispaper,amethodtoconstructasurfacewithpointinterpolationandnormalinterpolationispresented.Analgorithmtoconstructthediscreteinterpolationisalsopresented,whichhasthetimecomplexityO(NlogN),whereNinthenumberofscatteredpoints.

  • 标签: 计算机图形学 计算机辅助设计 插值曲面
  • 简介:ThispaperintroducesthedefinitionoftheOrthogonalTypeNodeConfigurationanddiscussesthecorrespondingmultivariateLagrange,HermiteandBirkhoffinterpolationproblemsinhighdimensionalspaceRs(s>2).ThisnodeconfigurationcanbeconsideredtobeakindofextensionoftheCrossTypeNodeConfiguration[1],[2]inR2tohighdimensionalspaces.AndtheMixedTypeNodeConfigurationinRs(s>2)isalsodiscussedinthispaperinanexample.

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  • 简介:Theobjectinthispaperistoconsidertheproblemofexistence,uniqueness,explicilrepresentationof(0,2)-interpolationonthezerosof(1-x2)Pn-1(x)/xwhennisodd,wherePn-1denotesLegendrepolynomialofdegreen-1,andtheproblemofconvergenceofinterpolatorypolynomials.

  • 标签: INTERPOLATION CONST UNIQUENESS details polynomial arbitrary
  • 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:LetS∞denotetheunitsphereinsomeinfinitedimensionalcomplexHilbertspace(H,<·,·>)Letz1,z2,…,z1bedistinctpointsonS∞Thispaperdealswithinterpolationofarbitrarydataonthezjbyafunctioninthelinearspanofthelfunctionswhenisasuitablefunctionthatoperatesonnonnegativedefinitematrices.Conditionsforthestrictpositivedefinitenessofthekernelareobtained.

  • 标签: 汤阴
  • 简介:Forgivendata,aninterpotantissought,sothatacerlaintconvcxfunctionaldefinedbvaYoung’sfunctioninthecorrespondingOrliczspaceisminuimized.Thefeedciamoregeneralkindofspacescanbeusedforselectingtheinterpoluntsinanudequareclassoffunctiois.

  • 标签: sought selecting DERIVATIVE arise onding holds
  • 简介:在二维的空间R2的bivariate插值在一维的空间R是比那更复杂的,因为没有在R2的连续功能的Haar空间。因此,bivariate插值没为一套任意的不同pairwise点有一个唯一的答案。在这个工作,我们建议取决于点的基础的一种类型以便bivariate插值为不同pairwise点的任何集合有唯一的答案。在这种情况中,bivariate插值的矩阵把半继承因式分解。

  • 标签: 二元插值 SEMI 连续函数空间 一维空间 二维空间 基础类型
  • 简介:Forgivendata(ti,yi),I=0,1,…,n,0=t0<t1<…<tn=1westudyconstrainedinterpolationproblemofFavardtypeinf{‖f'‖∞|f∈W2∞[0,1],f(ti)=yi,i=0,…,n,l(f;[0,1])≤l0},wherel(f';[0,1])=∫10/1+f'2(x)dxisthearclengthoffin[0,1].Weprovetheexistenceofasolutionf*oftheaboveproblem,thatisaquadraticsplinewithasecondderivativef'*,whichcoincideswithoneoftheconstants-‖f'*‖∞,0,‖f'*‖∞betweeneverytwoconsecutiveknots.Thus,weextendaresultofKarlinconcerningFavardproblem,tothecaseofrestrictedlengthinterpolation.

  • 标签: 弧长 分割 插值 节点 二次样条
  • 简介:SeveralcubatureformulasonthecubicdomainsarederivedusingthediscreteFourieranalysisassociatedwithlatticetiling,asdevelopedin[10].ThemainresultsconsistofanewderivationoftheGaussiantypecubaturefortheproductChebyshevweightfunctionsandassociatedinterpolationpolynomialson[-1,1]~2,aswellasnewresultson[-1,1]~3.Inparticular,compactformulasforthefundamentalinterpolationpolynomialsarederived,basedonn~3/4+(?)(n~2)nodesofacubatureformulaon[-1,1]~3.

  • 标签: 插值多项式 容积式 三次域 CHEBYSHEV 公式推导 傅里叶分析
  • 简介:Theobjectiveofthispaperistogiveaconstructiveapproachtothesolutionofthefundamentalfunctionsforcardinalinterpolationfromashift-invariantspacegeneratedbythe(multi-)integertranslatesofsomecompactlysupportedfunctionwhosepolynomialsymbolhasanon-emptyzeroset.ThisproblemwasfirstintroducedbyChut,Diamond,andRaphael,whereexplicitsolutionsweregivenforvariouszerosets.Later,deBoor,Hollig,andRiemenschneidergaveanexistenceproofforzerosetswhicharemoregeneral.Inthispa-per,wegiveanintegralrepresentationofthefundamentalsolutionsthatcanbemadeexplicitinsomecasesandwewillalsogiveagrowthconditionofsuchfundamentalsolutions.Thefour-directionalboxsplineswillbeusedasanillustrativeexample.

  • 标签: 材种 卫气 石子 切口 厂子 中肠
  • 简介:让功能f∈C[1,1],在有限收集Y:=改变它的monotonisity{y1,...,ys}s点yi∈(1,1)。为每n≥N(Y),我们构造代数学的多项式Pn,度≤n,它是有f的comonotone,那是它在一样的monotonisity削尖的变化yi作为f,;

  • 标签: 多项式逼近 估计值 代数多项式 平滑性
  • 简介:Theregularizedimageinterpolationmethodiswidelyusedbasedonthevectorinterpolationmodelinwhichdown-samplingmatrixhasverylargedimensionandneedslargestorageconsumptionandhighercomputationcomplexity.Inthispaper,afastalgorithmforimageinterpolationbasedonthetensorproductofmatricesispresented,whichtransformsthevectorinterpolationmodeltomatrixform.Theproposedalgorithmcanextremelyreducethestoragerequirementandtimeconsumption.Thesimulationresultsverifytheirvalidity.

  • 标签: 快速正则化图象插行法 向量插值 计算复杂性 快速算法
  • 简介:在为给定的域Rn的锥性质的唯一的假设下面,这被证明为在Sobolev空格Wm的函数的中间的衍生物的插值不平等,p()或甚至在某加权的Sobolve空格Wwm,p()仍然成立。也就是说,被跳或让一致的锥性质的平常的另外的限制两个都被移开。使用的主要工具是多项式不平等,它由是为光滑、分析的功能的也获得的pointwise版本插值不平等。如此的pointwise版本不平等在有锥性质的无界的领域在无穷为衍生物给明确的腐烂估计。作为腐烂估计的应用,光滑的功能的光线的基础功能近似上的以前的结果被扩大到衍生物同时的近似。

  • 标签: < KeywordT
  • 简介:ItisaclassicalresultofBernsteinthatthesequenceofLagrangeinterpolationpolynomialsto|x|atequallyspacednodesin[-1,1]divergeseverywhere,exceptatzeroandtheend-points.InthispaperweshowthatthesequenceofLagrangeinterpolationpolynomialscorrespondingtothefunctionswhichpossessbettersmoothnessonequidistantnodesin[-1,1]stilldivergeseverywhereintheintervalexceptatzeroandtheend-points.

  • 标签: 序列 矩阵 巴拿赫空间 连续 LAGRANGE插值 节点
  • 简介:ReconstructinganHR(high-resolution)imagewhichpreservestheimageintrinsicstructuresfromitsLR(low-resolution)counterpartishighlychallenging.Thispaperproposesanewsurfacereconstructionalgorithmappliedtoimageinterpolation.Theinterpolationsurfaceforthewholeimageisgeneratedbyputtingallthequadraticpolynomialpatchestogether.Inordertoeliminatethejaggiesoftheedge,anewweightfunctioncontainingedgeinformationisincorporatedintothepatchreconstructionprocedureasaconstraint.Extensiveexperimentalresultsdemonstratethatourmethodproducesbetterresultsacrossawiderangeofscenesintermsofbothquantitativeevaluationandsubjectivevisualquality.

  • 标签: 图像插值 曲面重构 二次多项式 高分辨率 内在结构 低分辨率
  • 简介:Letφbeanormalfunctionon[0,1]andA~1(φ)theBergmanspacewithweightφ(|z|)/(1-|z|~2).AnatomicdecompositiontheoremforA~1(φ)isobtained,andanecessaryandnearly-sufficientconditionisgiventomakeasequenceofpointsinterpolateforA~1(φ).

  • 标签: NORMAL function BERGMAN space DECOMPOSITION HYPERBOLIC