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27 个结果
  • 简介:Weadoptthefollowingsymbolsandnotations.LetC[0,1]Nbetheclassofallrealcontinuousfunctionsin[0,1]whichhaveNcontinuousderivatives,L[0,1]pbethespaceofrealpthpowerintegrablefunctionson[0,1],andΔk,asusual,betheclassofkthmonotonefunctions.

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  • 简介:Wegiveaconstructionofthemaximum,andtheminimumofthesetofnondecreasmgapproxmantsinthediscretecase,whereisapositiveconoexfunction.Acharacterizationofthatsetisalsoobtained.

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  • 简介:让C是一个锥并且认为一个伪标准是在它上定义的p。我们学习夫妇的结构(C,p)作为在功能p也的情况中的一个拓扑的空格单调。当一个伪标准锥的拓扑学能借助于一个单调标准被定义时,我们描绘。我们也定义并且学习一个单调normed锥和一个一般的锥的单调商的双锥。我们提供允许我们作为对单调商同形的一个单调潜水艇锥和另外的特别潜水艇锥的直接的和写一个锥的一条分解定理。

  • 标签: 圆锥 准规范 单调性 广义性
  • 简介:Recentlypeopleprovedthateveryf∈C[0,1]canbeuniformlyapproximatedbypolynomialsequences{Pn},{Qn}suchforanyx∈[0,1]andn=1,2,…thatQn(x)

  • 标签: 沙生 八一
  • 简介:Apiecewisecubiccurvefittingalgorithmpreservingmonotonicityofthedatawithoutmodificationoftheassignedslopesigproposed.ThealgorithmhasthesameorderofconvergenceasYan’salgorithm[8]andGasparo-Morandi’salgorithm[5]foraccurateorO(hq)accurategivendata,butithasamorevisuallypleasingcurvethanthosetwoalgorithms.WealsodiscusstheconvergenceorderofcubicrationalinterpolationforO(hq)accuratedata.

  • 标签: interpolation PIECEWISE CUBIC PRESERVING MONOTONE proof
  • 简介:<正>Weusethemethodofloweranduppersolutionscombinedwithmonotoneiterationstodifferentialproblemswithaparameter.Existenceofextremalsolutionstosuchproblemsisproved.

  • 标签: Lower and upper SOLUTIONS MONOTONE SEQUENCES
  • 简介:一些二功能的得最高分的战略定理被证明。在这些结果,楼梯;两功能的量拓扑的条件严格地包含单调转变;功能的价值混合。因而,林泉;Kindler的得最高分的战略定理被概括。

  • 标签: 极大值 极小值 阶梯 数学 单调转换
  • 简介:AclassofparallelnonlinearmultisplittingAORmethodsissetupbydirectlymultisplittingthenonlinearmappingF:DCR^n→R^nforsolvingthenonlinearsystemofequationsF(x)=0.Thedifferentchoicesoftherelaxationparameterscanyieldalltheknownandalotofnewrelaxationmethodsaswellasalotofnewrelaxationparallelnonlinearmultisplittingmethods.Thetwo-sidedapproximationpropertiesandtheinfluencesonconvergencefromtherelaxationparametersaboutthenewmethodsareshown,andthesufficientconditionsguaranteeingthemethodstoconvergegloballyarediscussed.Finally,alotofnumericalresultsshowthatthemethodsarefeasibleandefficient.

  • 标签: 非线性方程 全体收敛 多重分裂法 系数矩阵
  • 简介:1.IntroductionLetKbeanonemptyclosedconvexsubsetofR"andletF:R"-R"beacontinuousmapping.Avariationalinequalityproblem(VIP)istofindapointx*eKsuchthatThevariationalinequalityproblemmakesitswideappearanceinthestudyofvariousequilibriummodelsineconomics,oper...

  • 标签: VARIATIONAL INEQUALITY problems INTERIOR point methods
  • 简介:GivenacontinuousfunctionfdefinedontheunitcubeofRnandaconvexfunctiont,t(0)-0,t(x)>0,forx>0,weprovethatthesetofbestLt-approximationsbymonotonefunctionshasexactlyoneelementft,whichisalsoacontinuousfunction.Moreoverifthefamilyofconvexfunctions{t}t>0convergesuniformlyoncompactsetstoafunction0,thenthebestapproximationft→f0uniformly,ast→0,wherefoisthebestapproximationoffwithintheOrliczspaceL0Thebestapproxima-tions{ft}areobtainedaswellasminimizingintegralsortheLuxemburgnorm

  • 标签: 凝土 飞毛 几丁 去甲 可可 出工
  • 简介:Letf(x)∈Lp[0,1],00.Denote|f|Λρα=[0,1-kh],k=[α]+1}.If|f|Λρα<∞,wesaythatf∈ΛραYu.A.BrudnyirecentlyestablishedanewinequalityofBer-nsteintypeforrationalfunctions.DenotingRntheclassofrationalfunctionsofdegreen,hegaveTheoremAIfrn∈Rnandp=(α+(1/q))-1with1≦q≦∞,α>0,then

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  • 简介:Undersuitableconditions,themonotoneconvergenceabouttheprojectediterationmethodforsolvinglinearcomplementarityproblemisprovedandtheinfluenceoftheinvolvedparametermatrixontheconvergencerateofthismethodisinvestigated.

  • 标签: LINEAR complementarity PROBLEM projected ITERATION method
  • 简介:在这篇论文,单调的存在下列秒顺序的积极答案三点的边界价值问题被学习:在哪儿η∈(0,1),δ∈[0,∞),f∈C([0,1]×[0,∞),[0,∞))。在某些生长下面调节非线性的条款f并且由由于Avery,安德森和Krueger使用锥扩大的一条固定的点定理和功能的类型的压缩,为单调的存在的足够的条件积极答案被获得,答案的界限被给。最后,一个例子被给说明纸的结果。

  • 标签: 单调正解 固定点定理 非线性方程 积分方程
  • 简介:Inthispaperwestudytheproximalpointalgorithm(PPA)basedpredictioncorrection(PC)methodsformonotonevariationalinequalities.Eachiterationofthesemethodsconsistsofapredictionandacorrection.ThepredictorsareproducedbyinexactPPAsteps.ThenewiteratesarethenupdatedbyacorrectionusingthePPAformula.Wepresenttwoprofitfunctionswhichservetwopurposes:Firstweshowthattheprofitfunctionsaretightlowerboundsoftheimprovementsobtainedineachiteration.Basedonthisconclusionweobtaintheconvergenceinexactnessrestrictionsforthepredictionstep.Secondweshowthattheprofitfunctionsarequadraticallydependentuponthesteplengths,thustheoptimalsteplengthsareobtainedinthecorrectionstep.Inthelastpartofthepaperwecomparethestrengthsofdifferentmethodsbasedontheirinexactnessrestrictions.

  • 标签: 计算方法 最接近点计算法 预测方法 变量 不等式
  • 简介:Inthispaper,weshowthatforaneventuallystronglymonotoneskew-productsemiflowτ,thestrictorderingonEc(thesetconsistingofcontinuousequilibriaofτ)impliesthestrongone.

  • 标签: 半流 产品 调斜 平衡 注记 欧共体
  • 简介:Westudytheexistenceoftravelingwavesolutionsforanonlocalandnon-monotonedelayedreaction-difusionequation.Basedontheconstructionoftwoassociatedauxiliaryreactiondifusionequationswithmonotonicityandbyusingthetravelingwavefrontsoftheauxiliaryequations,theexistenceofthepositivetravelingwavesolutionsforc≥cisobtained.Also,theexponentialasymptoticbehaviorinthenegativeinfnitywasestablished.Moreover,weapplyourresultstosomereactiondifusionequationswithspatio-temporaldelaytoobtaintheexistenceoftravelingwaves.Theseresultscover,complementand/orimprovesomeexistingonesintheliterature.

  • 标签: 反应扩散方程 非单调 行波 非局部 解的存在性 时滞