NONLINEAR APPROXIMATION BY N-DIMENSIONAL SAMPLING TYPE DISCRETE OPERATORS WITH APPLICATIONS

被引:0
作者
Aslan, Ismail [1 ]
机构
[1] Hacettepe Univ, Dept Math, Ankara, Turkiye
来源
COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS | 2024年 / 73卷 / 04期
关键词
Nonlinear operators; discrete operators; sampling type operators; order of conver- gence; summability process; digital image processing; CONVERGENCE; SUMMABILITY; PREDICTION;
D O I
10.31801/cfsuasmas.1503136
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
. In this paper, we explore N-dimensional nonlinear discrete operators, closely related to generalized sampling series. We investigate their approximation properties by using the supremum norm and employ a summability method to generalize the discrete operators. The order of convergence is studied by using suitable Lipschitz classes of uniformly continuous functions. We exemplify kernel functions that meet the necessary conditions. Additionally, in the final section of the paper, we propose an operator-based method for digital image zooming.
引用
收藏
页码:1134 / 1152
页数:19
相关论文
共 39 条
[1]   MULTIVARIATE WEIGHTED KANTOROVICH OPERATORS [J].
Acu, Ana-Maria ;
Hodis, Laura ;
Rasa, Ioan .
MATHEMATICAL FOUNDATIONS OF COMPUTING, 2020, 3 (02) :117-124
[2]   Convergence in Variation and Rate of Approximation for Nonlinear Integral Operators of Convolution Type [J].
Angeloni, Laura ;
Vinti, Gianluca .
RESULTS IN MATHEMATICS, 2006, 49 (1-2) :1-23
[3]   A CHARACTERIZATION OF THE CONVERGENCE IN VARIATION FOR THE GENERALIZED SAMPLING SERIES [J].
Angeloni, Laura ;
Costarelli, Danilo ;
Vinti, Gianluca .
ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 2018, 43 :755-767
[4]   Discrete operators of sampling type and approximation in φ-variation [J].
Angeloni, Laura ;
Vinti, Gianluca .
MATHEMATISCHE NACHRICHTEN, 2018, 291 (04) :546-555
[5]   Convergence in Variation and Rate of Approximation for Nonlinear Integral Operators of Convolution Type (vol 49, pg 1, 2006) [J].
Angeloni, Laura ;
Vinti, Gianluca .
RESULTS IN MATHEMATICS, 2010, 57 (3-4) :387-391
[6]   Approximation by Sampling-Type Nonlinear Discrete Operators in φ-Variation [J].
Aslan, Ismail .
FILOMAT, 2021, 35 (08) :2731-2746
[7]   Characterization of absolute and uniform continuity [J].
Aslan, Ismail ;
Duman, Oktay .
HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS, 2020, 49 (05) :1550-1565
[8]   APPROXIMATION BY SAMPLING TYPE DISCRETE OPERATORS [J].
Aslan, Ismail .
COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS, 2020, 69 (01) :969-980
[9]   Approximation by nonlinear integral operators via summability process [J].
Aslan, Ismail ;
Duman, Oktay .
MATHEMATISCHE NACHRICHTEN, 2020, 293 (03) :430-448
[10]   Summability on Mellin-type nonlinear integral operators [J].
Aslan, Ismail ;
Duman, Oktay .
INTEGRAL TRANSFORMS AND SPECIAL FUNCTIONS, 2019, 30 (06) :492-511