Výsledky vyhledávání - "Qin-Qin Shen"

Akademický článek

A general modulus-based matrix splitting method for quasi-complementarity problem

Autor: Chen-Can Zhou, Qin-Qin Shen, Geng-Chen Yang, Quan Shi

Publikováno v: AIMS Mathematics, Vol 7, Iss 6, Pp 10994-11014 (2022)

For large sparse quasi-complementarity problem (QCP), Wu and Guo [35] recently studied a modulus-based matrix splitting (MMS) iteration method, which belongs to a class of inner-outer iteration methods. In order to improve the convergence rate of the

Externí odkaz: https://doaj.org/article/f4f90e133edb467ca5d214d4f091ea72

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Akademický článek

A Novel Weighted Fractional GM(1,1) Model and Its Applications

Autor: Qin-Qin Shen, Quan Shi, Tian-Pei Tang, Lin-Quan Yao

Publikováno v: Complexity, Vol 2020 (2020)

Based on the ideas of the new information priority principle and the fractional-accumulation generating operator, in this paper we propose a novel weighted fractional GM(1,1) (WFGM(1,1)) prediction model. In the new model, the original sequence is fi

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Akademický článek

Spatial-Temporal 3D Residual Correlation Network for Urban Traffic Status Prediction

Autor: Yin-Xin Bao, Quan Shi, Qin-Qin Shen, Yang Cao

Publikováno v: Symmetry, Vol 14, Iss 1, p 33 (2021)

Accurate traffic status prediction is of great importance to improve the security and reliability of the intelligent transportation system. However, urban traffic status prediction is a very challenging task due to the tight symmetry among the Human�

Externí odkaz: https://doaj.org/article/f0f812dfb0ed41449d4eab419d668910

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Akademický článek

Eigenvalue bounds of the shift-splitting preconditioned singular nonsymmetric saddle-point matrices

Autor: Quan Shi, Qin-Qin Shen, Lin-Quan Yao

Publikováno v: Journal of Inequalities and Applications, Vol 2016, Iss 1, Pp 1-13 (2016)

Abstract For singular nonsymmetric saddle-point problems, a shift-splitting preconditioner was studied in (Appl. Math. Comput. 269:947-955, 2015). To further show the efficiency of the shift-splitting preconditioner, we provide eigenvalue bounds for

Externí odkaz: https://doaj.org/article/61bfc53bc4ce439797810dd21a1dd502

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Akademický článek

Inexact modified positive-definite and skew-Hermitian splitting preconditioners for generalized saddle point problems

Autor: Qin-Qin Shen, Quan Shi

Publikováno v: Advances in Mechanical Engineering, Vol 10 (2018)

In this article, to better implement the modified positive-definite and skew-Hermitian splitting preconditioners studied recently (Numer. Algor., 72 (2016) 243–258) for generalized saddle point problems, a class of inexact modified positive-definit

Externí odkaz: https://doaj.org/article/e3b86b0f1fd34bfa8837fe731bc55724

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