A note on functional equations connected with the Cauchy mean value theorem

被引:1
|
作者
Lukasik, Radoslaw [1 ]
机构
[1] Univ Silesia, Inst Math, Ul Bankowa 14, PL-40007 Katowice, Poland
关键词
Functional equation; Mean value theorem; Linearly dependent functions; QUADRATIC POLYNOMIALS; PROPERTY;
D O I
10.1007/s00010-018-0583-2
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The aim of this paper is to describe the solution (f, g) of the equation [f(x) - f(y)]g' (alpha x + (1 - alpha)y) = [g(x) - g(y)]f'(alpha x + (1 - alpha)y), x, y is an element of I, where I subset of R is an open interval, f, g : I -> R are differentiable, alpha is a fixed number from (0, 1).
引用
收藏
页码:935 / 947
页数:13
相关论文
共 50 条
  • [21] Mean value property and associated functional equations
    Matkowski J.
    Aequationes mathematicae, 1999, 58 (1-2) : 46 - 59
  • [22] The Bolzano mean-value theorem and partial differential equations
    Kryszewski, Wojciech
    Siemianowski, Jakub
    JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2018, 457 (02) : 1452 - 1477
  • [23] A mean value theorem
    Tokieda, TF
    AMERICAN MATHEMATICAL MONTHLY, 1999, 106 (07): : 673 - 674
  • [24] A MEAN VALUE THEOREM
    EASTON, RJ
    WAYMENT, SG
    AMERICAN MATHEMATICAL MONTHLY, 1970, 77 (02): : 170 - &
  • [25] MEAN VALUE THEOREM
    GOLDSTEI.AA
    AMERICAN MATHEMATICAL MONTHLY, 1972, 79 (01): : 51 - &
  • [26] ON MEAN VALUE THEOREM
    KARATSUBA, AA
    KOROBOV, NM
    DOKLADY AKADEMII NAUK SSSR, 1963, 149 (02): : 245 - &
  • [27] MEAN VALUE THEOREM FOR LINEAR ELLIPTIC EQUATIONS WITH LIPSHITS CLASS COEFFICIENTS
    REITBLAT, ZV
    DOKLADY AKADEMII NAUK SSSR, 1960, 133 (06): : 1300 - 1302
  • [28] ON BEING MEAN TO MEAN VALUE THEOREM
    COHEN, LW
    AMERICAN MATHEMATICAL MONTHLY, 1967, 74 (05): : 581 - &
  • [29] A NOTE ON THE ABSTRACT CAUCHY-KOWALEWSKI THEOREM
    ASANO, K
    PROCEEDINGS OF THE JAPAN ACADEMY SERIES A-MATHEMATICAL SCIENCES, 1988, 64 (04) : 102 - 105
  • [30] A note on Cauchy-Lipschitz-Picard theorem
    Zonghong Feng
    Fengying Li
    Ying Lv
    Shiqing Zhang
    Journal of Inequalities and Applications, 2016