矩形校正公式的误差分析

This paper presents truncation errors among Corrector Formula for left Rectangular rule and Corrector Formula for middle Rectangular rule respectively.It also displays an analysis on convergence order of compound corrector formulas for rectangular rule.Examples of numerical calculation have validated theoretical analysis.     

Simpson校正公式

给出了Simpson校正公式的截断误差,分析了复化Simpson校正公式的收敛阶.数值算例验证了理论分析的正确性.     

减少直接法计算量的探讨

§ 1.　TheoreticalBasis　　Manydirectmethodsonlyusetargetfunction(x)andconfinedfunctionGk(x) (k=1 ,2 ,… ,l;listhenumberofconfinedfunction)oftheirfunctionalvaluesateveryknownfeasiblepoints,withoutusingtheconnectionofthesefunctionalvaluesandthefunctionalvaluesatotherfeasiblepointswithintheadjacentdomainsoftheknownfeasiblepoints.Utilizingtheseconnections,weareabletousethefunctionvalueataknownpointtodeterminethefunctionvalueatanotherbetterfeasiblepoint.Bymaintainingcertainfeasiblepointsanddedu…     

＊ Exact Sequence and Commutative Diagrams of Semimodule Homomorphism

61.FundamentalConceptsDefinitionlSupposef:A-Bisamapping,defineKer.f={(x,y)Ix,yeA,f(x)=f(y)}Im'f=lBU(ImfXImf)Lemma1lff:A-Bisamappingg,tl1enKer'fisA)secluivalencerelation,In1'j.isB,sequivalencerelation.Theproofiseasy,weomitithere.Definition2ThelimitedsequenceofR-semimoduleI1omomorphism-flf2f3f.-lf"A.-A,-A=-.-'-A"-,-A"iscalled*exact,ifIm.f=Ker'f-,(1相似文献   

关于亚纯函数导数的特征函数的一点注记

In this paper,the characteristic function of the derivative of meromorphic func- tion is studied.A expression of characteristic function T(r,f~1)is given.     

单位圆内亚纯函数的T点

In this Paper,the T points of meromorphic functions are defined and existence of the T points is showed in the Unit disk.we also prove T point must be J point.     

改进的Cotes公式及其误差分析

The truncation error of improved Cotes formula is presented in this paper.It also displays an analysis on convergence order of improved Cotes formula.Examples of numerical calculation is given in the end.