首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 19 毫秒
1.
本文论述了Fibonacci数列的起源,通项的解法及应用,前n项和求法。以及Fibonacci数列的性质及应用。  相似文献   

2.
用矩阵理论证明了几个有关Fibonacci数列常用的结论。  相似文献   

3.
广义Fibonacci数列的若干性质陕西教育学院徐长林众所周知,Fibonacci数列{Fn}(其中F1=F2=1,当n≥3时,Fn=Fn-2+Fn-1)有一个重要性质,即本文将Fibonacci数列的概念进行推广,给出广义Fibonacci数列并讨...  相似文献   

4.
一种组合数计算的推广形式   总被引:1,自引:1,他引:0  
若2是函数f(x)的周期,则有∑n2[]i=0f(x+i)n-ii=12[f(x)+f(x+1)]Fn+13[f(x)-f(x+I)]sinn+1π3,其中数列{Fn}为Fibonacci数列。  相似文献   

5.
对Fibonacci多项式进行了研究,得到若干结果,并改进了Swamy不等式。  相似文献   

6.
给出了一维Fibonacci准周期阻挫Blume-Capel模型的自由有的解析形式,发现当温度趋于零时,存在一个单离子各向异性作用的临界值Dc=-J,使系统的序参量q=(Si^2)^2从零跃变到1。  相似文献   

7.
讨论了广义的Fibonacci迭代序列S1+1=^n1S^m1-1下准周期混合键Ising键的热力学性质,给出了三种不同准周期迭代下的比热曲线,分析了系统选零温基态时的格点自旋组态。  相似文献   

8.
Foralanguageteacher,howtoteachalanguagewell,especiallyaforeignlanguagewell,isabigproblemwemustfaceeveryday WeallknowthescientificallyvalidprocedureinlanguageleaninginvolvesListening ,speaking ,readingandthenwritingisthebasicorderinlanguagelearning Thisis…  相似文献   

9.
1 Introduction In 1988,Yoshizawaandco workers[1] reportedforthefirsttimeonanewgoodsoftmagneticalloycalledFinemet.Itconsistedofultrafinegrainstructurepre paredbythecrystallizationofFe Si BamorphousalloywithadditionsofCuandNb[1~ 3] .Theformationofthisparticularst…  相似文献   

10.
1InductionLadleFurnaceandItsTechnicalPropertiesInductionladlefurnace(ILF)isarecentlydevelopedequipmentforsecondaryrefiningand...  相似文献   

11.
1 Introduction Highpowerfactorinductionmotorwithfloatingwindinginparallelconnectionwithcapacitorsisamotorofspecialstructureandwithspecialconnection.Itsstatorcircuitconfiguration[1]isshowninFig.1.Fig1showstwosetsofstatorwindings,thepowerwindingsconn…  相似文献   

12.
INTRODUCTIONFibroblastgrowthfactor (FGF)isanangio genicandmitogenicpolypeptidethatcanpromotecellproliferationanddifferentiationinawideva rietyofcelltypes (Goldfarb ,1 990 ;Basilicoetal.,1 992 ) .TheFGFfamilyhasmanymemberswithsimilaraminoacidsequenceandbiologicala…  相似文献   

13.
INTRODUCTIONHemorrhagicfeverwithrenalsyndrome(HFRS)isanaturalfocaldiseasecausedbyvirusesintheHantavirusgenusofthefamilyBunyaviridae.AtleasteightserologicallydistinctHantaviruseswererecognized.HFRSisendemicinChinaandisonlycausedbyHantaanVirus(typeⅠ)trans…  相似文献   

14.
一九九四年下半年河北省高等教育自学考试阅读与写作试题Ⅰ.Findthebestchoice(15points)1.Iwanttohavetwo………………○A.scissorsB.setsofscissorsc.piecesofscissorsD.p...  相似文献   

15.
1.TheFourBooks(《四书》)andJamesLegge'sTranslations1.1TheFourBooks(《四书》)TheFourBooks(《四书》)isthemostrepresentativeclas-sicalworkso...  相似文献   

16.
浅议计算机辅助教学   总被引:1,自引:0,他引:1  
ComputerAssistedlnstruction (CAI)isthetermusedtodescribecomputerprogramsdesignedforteaching .ItisimportantnottoconfusethistermwithCALL(ComputerAssistedLanguageLearning)———thecatchalltermfordiffer entformsofL2instructionaccomplishedwiththeuseofcomputers.Fo…  相似文献   

17.
InteractionEfectsontheDensityofStatesinaDisorderedMetalicFilmYangYonghong(杨永宏)(DepartmentofPhysics,SoutheastUniversity,Nanjin...  相似文献   

18.
INTRODUCTIONTransforminggrowthfactorβ1 (TGF β1 ) ,amultifunctionalcytokine,isreportedasaregula torofcellgrowthanddifferentiation (Lahmetal.,1 993 ) .TGF β1 canactasagrowthinhibi tionfactorinnormalcoloncells.WithouttheregulationofTGF β1 ,thenormalcolonicepithe liumwou…  相似文献   

19.
INTRODUCTIONAcuterenalfailure(ARF),usuallyreferredtoasacutetubularnecrosis,isacommonsyndromecharacterizedbyanabruptandsustaineddeclineinglomerularfiltrationwithresultantazotemia,causedbyacuteischemicand/ortoxicinjuries.Itisnotimmediatelyreversiblewhenca…  相似文献   

20.
1 Introduction Fe3Albasedalloysexhibithighoxidationresistance ,excellentsulphidationresistanceandlowcostofalloyconstituents.However ,thesealloyshavenot yetfoundwidespreadapplicationfortheirenvironmentalembrittlement[1~ 3] .Thetensilepropertiesandenvi ronment…  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号