L Kohaupt - 《Journal of Computational & Applied Mathematics》 被引量: 11发表: 2003年 Exact inequalities for the upper bounds of seminorms on a class of periodic functions We establish exact inequalities for the upper bounds of seminorms on classes of differentiable periodic functions, and as ...
Mathematics EducationTeaching MethodsTrigonometryA problem in connection with periodic functions, which had been set in the June 1976 matriculation examination in Israel, produced a discussion on the question of whether there actually exists a theorem, as indicated in the paper, concerning the ...
PERIODIC functionsSET theoryTRIGONOMETRIC functionsMATRICES (Mathematics)FOURIER seriesIn this paper, we determine the degree of trigonometric approximation of -periodic functions and their conjugates, in terms of the moduli of continuity associated with them, by matrix means of corre...
functions, which had been set in the June 1976 matriculation examination in Israel, produced a discussion on the question of whether there actually exists a theorem, as indicated in the paper, concerning the fundamental or minimal period of the sum or difference of certain periodic functions. The...
Exact values are obtained of the n-widths of 2π-periodic functions of the form in space L2[0, 2π] and satisfy condition where ω m (φ; t
A NOTE ON INTERPOLATION OF A CERTAIN CLASS OF FUNCTIONS ANOTEONINTERPOLATIONOFACERTAINCLASSOFFUNCTIONS￥ZHUYAOCHEN(朱尧辰)(InstituteofAppliedMathematics,theChineseAcademyofSciences,Beij... 朱尧辰 - 《应用数学学报(英文版)》 被引量: 5发表: 1994年 The periodic complex method in interpolation spaces In...
The Fourier Series of the Periodic δ-functions 来自 知网 喜欢 0 阅读量: 12 作者: H Wu 摘要: In this paper,the Fourier series expansion of the periodic δ-func tions and its engineering aspects are studied.A sufficient condition is given in order to consider the conventional Fourier ...
Cubature formulae of high trigonometric accuracy for periodic functions of four variables Series of cubature formulae of high trigonometric accuracy for dimension n=4 with parameters in the form of polynomials specified on a set are given. MV Noskov,AR Semenova - 《Computational Mathematics & Mathem...
There exists a bounded open set \(\Delta \subset C_{\omega }\), the set of all continuous, \(\omega\)-periodic functions: \(\mathbb {R}\rightarrow \mathbb {R}^{n}\), such that for any \(\lambda \in (0,1)\), each \(\omega\)-periodic function x(t) of the inclusion ...
in Applied Mathematics and also landed his first teaching position. The 1990s were spent at Oregon State University in Corvallis, Oregon, where he rose to the rank of Associate Professor in the Mathematics Department. In the 2000s he finds himself back in South Africa, as Professor in the ...