Suchergebnisse - "Structure-preserving algorithm"

  1. 1

    A structure-preserving algorithm for Vlasov–Darwin system conserving charge, canonical momentum, and Hamiltonian von Shiroto, Takashi

    ISSN: 0021-9991
    Veröffentlicht: Elsevier Inc 01.10.2024
    Veröffentlicht in Journal of computational physics (01.10.2024)
    “… In this paper, a conservative numerical method for the Vlasov–Darwin system is proposed. The Darwin model was assumed to be valid only in the Coulomb gauge, …”
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  2. 2

    Color image watermarking based on a fast structure-preserving algorithm of quaternion singular value decomposition von Zhang, Mingcui, Ding, Wenxv, Li, Ying, Sun, Jianhua, Liu, Zhihong

    ISSN: 0165-1684, 1872-7557
    Veröffentlicht: Elsevier B.V 01.07.2023
    Veröffentlicht in Signal processing (01.07.2023)
    “… •Presents a new color image watermarking algorithm based on a fast structure-preserving algorithm of quaternion singular value decomposition …”
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  3. 3

    Algebraic method for LU decomposition of dual quaternion matrix and its corresponding structure-preserving algorithm von Wang, Tao, Li, Ying, Wei, Musheng, Xi, Yimeng, Zhang, Mingcui

    ISSN: 1017-1398, 1572-9265
    Veröffentlicht: New York Springer US 01.11.2024
    Veröffentlicht in Numerical algorithms (01.11.2024)
    “… Based on the real structure-preserving algorithm of quaternion matrix, we propose the real structure-preserving algorithms of LU decomposition and partial pivoting LU decomposition for dual quaternion matrix …”
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  4. 4

    Lagrange multiplier structure-preserving algorithm for time-fractional Allen-Cahn equation von Zheng, Zhoushun, Ni, Xinyue, He, Jilong

    ISSN: 0898-1221, 1873-7668
    Veröffentlicht: Elsevier Ltd 15.06.2024
    Veröffentlicht in Computers & mathematics with applications (1987) (15.06.2024)
    “… In this paper, based on the Lagrange multiplier method, we construct a maximum principle preserving scheme for the time-fractional Allen-Cahn equation of 2-α …”
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  5. 5

    A complex structure-preserving algorithm for computing the singular value decomposition of a quaternion matrix and its applications von Zhang, Dong, Jiang, Tongsong, Jiang, Chuan, Wang, Gang

    ISSN: 1017-1398, 1572-9265
    Veröffentlicht: New York Springer US 01.01.2024
    Veröffentlicht in Numerical algorithms (01.01.2024)
    “… This paper, by means of a complex representation of a quaternion matrix, studies the algorithm for the singular value decomposition of a quaternion matrix, and derives a complex structure-preserving …”
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  6. 6

    Real structurepreserving algorithm for quaternion equality constrained least squares problem von Li, Ying, Zhang, Yanzhen, Wei, Musheng, Zhao, Hong

    ISSN: 0170-4214, 1099-1476
    Veröffentlicht: Freiburg Wiley Subscription Services, Inc 15.05.2020
    Veröffentlicht in Mathematical methods in the applied sciences (15.05.2020)
    “… –preserving algorithm to obtain the solution of quaternion equality contained least squares problem …”
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  7. 7

    An effective real structure-preserving algorithm for the quaternion indefinite least squares problem von Meng, Zixiang, Zhou, Zhihan, Li, Ying, Zhang, Fengxia

    ISSN: 1017-1398, 1572-9265
    Veröffentlicht: New York Springer US 01.08.2025
    Veröffentlicht in Numerical algorithms (01.08.2025)
    “… This paper concentrates on the quaternion indefinite least squares (QILS) problem. Firstly, we define the quaternion J-unitary matrix and the quaternion …”
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  8. 8

    A complex structure-preserving algorithm for the full rank decomposition of quaternion matrices and its applications von Wang, Gang, Zhang, Dong, Vasiliev, Vasily. I., Jiang, Tongsong

    ISSN: 1017-1398, 1572-9265
    Veröffentlicht: New York Springer US 01.12.2022
    Veröffentlicht in Numerical algorithms (01.12.2022)
    “… The numerical examples show that the complex structure-preserving algorithm is more efficient …”
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  9. 9

    A new structure-preserving algorithm based on the semi-tensor product of matrices for split quaternion matrix LDU decomposition and its applications von Wei, Anli, Li, Ying, Ding, Wenxv, Zhao, Jianli

    ISSN: 0377-0427
    Veröffentlicht: Elsevier B.V 01.12.2024
    Veröffentlicht in Journal of computational and applied mathematics (01.12.2024)
    “… In this paper, we put forward a new structure-preserving algorithm based on the semi-tensor product of matrices for the split quaternion matrix LDU decomposition, which makes full use of high-level …”
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  10. 10

    A novel structure-preserving algorithm for the singular value decomposition of biquaternion matrices von Ding, Wenxv, Wei, Anli, Li, Ying, Zhang, Mingcui, Liu, Zhihong

    ISSN: 0308-1087, 1563-5139
    Veröffentlicht: Taylor & Francis 22.01.2025
    Veröffentlicht in Linear & multilinear algebra (22.01.2025)
    “… } $ Q structure-preserving algorithm to deal with the singular value decomposition of quaternion matrices, which makes use of high-level operations …”
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  11. 11

    Structure-Preserving Algorithm and Its Error Estimate for the Relativistic Charged-Particle Dynamics Under the Strong Magnetic Field von Zhang, Ruili, Liu, Tong, Wang, Bin, Liu, Jian, Tang, Yifa

    ISSN: 0885-7474, 1573-7691
    Veröffentlicht: New York Springer US 01.09.2024
    Veröffentlicht in Journal of scientific computing (01.09.2024)
    “… To maintain the fundamental principles of relativistic dynamics, including energy conservation, volume preservation, and the Lorentz invariant property, we construct a structure-preserving algorithm …”
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  12. 12

    An efficient real structure-preserving algorithm for the quaternion weighted least squares problem with equality constraint von Zhang, Fengxia, Li, Ying

    ISSN: 1598-5865, 1865-2085
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.12.2023
    Veröffentlicht in Journal of applied mathematics & computing (01.12.2023)
    “… ). Finally, for its minimal norm solution, we propose an efficient real structure-preserving algorithm by using the first column block of the real representation matrix, and provide three examples …”
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  13. 13

    A real structure-preserving algorithm based on the quaternion QR decomposition for the quaternion equality constrained least squares problem von Zhang, Fengxia, Zhao, Jianli

    ISSN: 1017-1398, 1572-9265
    Veröffentlicht: New York Springer US 01.12.2022
    Veröffentlicht in Numerical algorithms (01.12.2022)
    “… , the special structure of the real representation matrices and the real structure-preserving algorithm of the quaternion QR …”
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  14. 14

    Compact structure-preserving algorithm with high accuracy extended to the improved Boussinesq equation von Wongsaijai, B., Oonariya, C., Poochinapan, K.

    ISSN: 0378-4754, 1872-7166
    Veröffentlicht: Elsevier B.V 01.12.2020
    Veröffentlicht in Mathematics and computers in simulation (01.12.2020)
    “… The improved Boussinesq equation is numerically studied using a higher-order compact finite difference technique. The aim is to achieve a mass and energy …”
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  15. 15

    A structure-preserving algorithm for surface water flows with transport processes von Karjoun, Hasan, Beljadid, Abdelaziz, LeFloch, Philippe G.

    ISSN: 1019-7168, 1572-9044
    Veröffentlicht: New York Springer US 01.02.2022
    Veröffentlicht in Advances in computational mathematics (01.02.2022)
    “… We consider a system of coupled equations modeling a shallow water flow with solute transport and introduce an artificial dissipation in order to improve the …”
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  17. 17

    Structure Preserving Algorithm for Fractional Order Mathematical Model of COVID-19 von Iqbal, Zafar, Aziz-ur Rehman, Muhammad, Ahmed, Nauman, Raza, Ali, Rafiq, Muhammad, Khan, Ilyas, Sooppy Nisar, Kottakkaran

    ISSN: 1546-2226, 1546-2218, 1546-2226
    Veröffentlicht: Henderson Tech Science Press 2022
    Veröffentlicht in Computers, materials & continua (2022)
    “… In this article, a brief biological structure and some basic properties of COVID-19 are described. A classical integer order model is modified and converted …”
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  18. 18

    Dual complex structure-preserving algorithm of dual quaternion singular value decomposition and its applications: Dual complex structure-preserving von Ding, Wenxv, Li, Ying

    ISSN: 2238-3603, 1807-0302
    Veröffentlicht: Cham Springer International Publishing 01.02.2025
    Veröffentlicht in Computational & applied mathematics (01.02.2025)
    “… Innovative dual complex structure-preserving algorithms are introduced to develop efficient and resilient algorithms for singular value decomposition of dual quaternion matrices …”
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  19. 19

    High-performance computing of structure-preserving algorithm for the coupled BBM system formulated by weighted compact difference operators von Poochinapan, Kanyuta, Wongsaijai, Ben

    ISSN: 0378-4754, 1872-7166
    Veröffentlicht: Elsevier B.V 01.03.2023
    Veröffentlicht in Mathematics and computers in simulation (01.03.2023)
    “… A compact difference operator is a valuable technique which has been used to develop numerical schemes capable of solving various types of differential …”
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  20. 20

    H∞ norm computation of linear continuous-time periodic systems by a structure-preserving algorithm von Peng, Haijun, Wu, Zhigang, Zhong, Wanxie

    ISSN: 0020-7179, 1366-5820
    Veröffentlicht: Abingdon Taylor & Francis 02.01.2014
    Veröffentlicht in International journal of control (02.01.2014)
    “… A new reliable structure-preserving algorithm for computing H ∞ norm of linear continuous-time periodic systems is proposed in this paper …”
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