Based on the idea of Fourier extension, we develop a new method for numerical differentiation. The Tikhonov regularization method with a super-order penalty term is presented to deal with the illposdness of the problem a...
ADVANCES IN DIFFERENCE EQUATIONSLi, Sheng Mei, Duan Chen, BaoQin 出版年:2017
In this paper, we mainly discuss the uniqueness problem when an entire function shares 0 CM and nonzero complex constant a IM with its difference operator. We also consider the general case where they share two distinct ...
Accurate prediction of sea surface temperature (SST) is critical in marine sciences and related disciplines. The task is rendered challenging by complex environmental factors and the inherent nonlinearity of time. Curren...
INTERNATIONAL JOURNAL OF COMPUTATIONAL METHODSLi, Zhi Zhao, Zhenyu Meng, Zehong Chen, Baoqin Mei, Duan 出版年:2020
This paper develops a new method to deal with the problem of identifying the unknown source in the Poisson equation. We obtain the regularization solution by the Tikhonov regularization method with a super-order penalty ...
ADVANCES IN DIFFERENCE EQUATIONSChen, BaoQin Li, Sheng 出版年:2019
For the nonlinear difference equations of the form w(z + 1)w(z -1) = h(z)w(m)(z), where h(z) is a nonzero rational function and m = +/- 2,+/- 1, 0, we show that its transcendental meromorphic solution is mainly determine...
ADVANCES IN DIFFERENCE EQUATIONSLi, Sheng Chen, BaoQin 出版年:2019
This paper mainly concerns the uniqueness of meromorphic solutions of first order linear difference equations of the form where R1(z)?0, R2(z), R3(z) are rational functions. Our results indicate that the finite order tra...
Mechanisms and Machine ScienceChen, Jiarui Chen, Baoqin 出版年:2021
In order to establish the light vehicle driving cycle of Fuzhou city, a driving cycle construction method was proposed based on t-SNE combined with AP clustering algorithm, which can well reflects non-linear relationship...
OPEN MATHEMATICSWu, Lihao Chen, Baoqin Li, Sheng 出版年:2023
For the first-order differential-difference equations of the form A(z)f (z + 1) + B(z)f '(z) + C(z)f (z) =F(z),where A(z), B(z), C(z), and F(z) are polynomials, the existence, growth, zeros, poles, and fixed points of th...
This paper is to study the unicity of transcendental meromorphic solutions to some nonlinear difference equations. Let be a nonzero rational function. Consider the uniqueness of transcendental meromorphic solutions to so...
The variation of ozone (O3) concentration is closely related to other meteorological factors such as temperature and wind speed, and there is significant dynamic uncertainty, making related research very complex and diff...
ADVANCES IN DIFFERENCE EQUATIONSChen, BaoQin Li, Sheng Chai, Fujie 出版年:2018
In this paper, we give some results on entire functions that share one value with their difference operators. In particular, we prove the following result, which can be regarded as a difference analogue of a result of J....
JOURNAL OF INEQUALITIES AND APPLICATIONSChen, BaoQin Li, Sheng 出版年:2020
This paper is to consider the unity results on entire functions sharing two values with their difference operators and to prove some results related to 4 CM theorem. The main result reads as follows: Let f (z) be a nonco...
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSINGXiao, Ling Yang, Peihao Wang, Yuxue Li, Sheng Chen, Baoqin 出版年:2024
Sea surface temperature (SST) plays a crucial role in the global meteorological system, particularly as long-term seasonal variations are significant for analyzing SST anomalies and supporting long-term climate decision-...
DISCRETE DYNAMICS IN NATURE AND SOCIETYLi, Sheng Chen, Baoqin 出版年:2020
THis paper mainly considers the unicity of meromorphic solutions of the Pielou logistic equation y(z + 1). ((R(z)y(z))/ (Q(z) + P(z)y(z))), where P(z), Q(z), and R(z) are nonzero polynomials. It shows that the finite ord...
Proceedings of SPIE - The International Society for Optical EngineeringWu, Siyuan Yang, Derong Ge, Wenjun Chen, Baoqin 出版年:2023
The digital economy is booming, but cybercrimes and telecommunication frauds are emerging one after another. How to detect fraudulent behaviours and prevent the occurrence of crimes is a significant challenge. This paper...