Results 11 to 20 of about 123,227 (279)
Speed invariant gait recognition-The enhanced mutual subspace method.
PLoS ONE, 2021 This paper introduces an enhanced MSM (Mutual Subspace Method) methodology for gait recognition, to provide robustness to variations in walking speed.
Yumi Iwashita +3 more
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A refined invariant subspace method and applications to evolution equations [PDF]
Science China Mathematics, 2012 The invariant subspace method is refined to present more unity and more diversity of exact solutions to evolution equations. The key idea is to take subspaces of solutions to linear ordinary differential equations as invariant subspaces that evolution ...
A. S. Fokas +28 more
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Optimizing option pricing: Exact and approximate solutions for the time-fractional Ivancevic model
Alexandria Engineering Journal, 2023 This research investigates the time fractional Ivancevic option pricing model and presents two distinct solution methods: the invariant subspace method for obtaining exact solutions and the residual power series method for generating approximate ...
Khalid K. Ali, M.A. Maaty, M. Maneea
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Approximate invariant subspaces and quasi-newton optimization methods [PDF]
Optimization Methods and Software, 2010 New approximate secant equations are shown to result from the knowledge of (problem dependent) invariant subspace information, which in turn suggests improvements in quasi-Newton methods for unconstrained minimization. A new limited-memory Broyden-Fletcher-Goldfarb-Shanno using approximate secant equations is then derived and its encouraging behaviour ...
Gratton, Serge +1 more
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Advances in Difference Equations, 2020 In this paper, we show that the invariant subspace method can be successfully utilized to get exact solutions for nonlinear fractional partial differential equations with generalized fractional derivatives. Using the invariant subspace method, some exact
Mohamed S. Abdel Latif +2 more
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Continuation of Invariant Subspaces via the Recursive Projection Method [PDF]
Applications of Mathematics, 2003 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Janovský, V., Liberda, O.
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Systems & Control Letters, 2023 Recently, a novel system identification method based on invariant subspace theory is introduced, aiming to address the identification problem of continuous-time (CT) linear time-invariant (LTI) systems by combining time-domain and frequency-domain methods.
You, Jingze, Huang, Chao, Zhang, Hao
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Partial Differential Equations in Applied Mathematics, 2021 In this paper, we investigate the applicability of the separation of variables method (SVM) and the invariant subspace method (ISM) for getting exact solutions of variable coefficients nonlinear fractional partial differential equations with ψ-Riemann ...
Abass. H. Abdel Kader +2 more
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Frontiers in Physics, 2023 We extend the invariant subspace method (ISM) to a class of Hamilton–Jacobi equations (HJEs) and a family of third-order time-fractional dispersive PDEs with the Caputo fractional derivative in this letter.
Gaizhu Qu, Mengmeng Wang, Shoufeng Shen
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Mathematics, 2022 In this paper, a time-fractional derivative nonlinear Schrödinger equation involving the Riemann–Liouville fractional derivative is investigated. We first perform a Lie symmetry analysis of this equation, and then derive the reduced equations under the ...
Fan Qin, Wei Feng, Songlin Zhao
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