نتایج جستجو برای: letnikov derivative
تعداد نتایج: 63778 فیلتر نتایج به سال:
and Applied Analysis 3 Baeumer et al. 8, 13 have proved existence and uniqueness of a strong solution for 1.2 using the semigroup theory when f x, t, u is globally Lipschitz continuous. Furthermore, when f x, t, u is locally Lipschitz continuous, existence of a unique strong solution has also been shown by introducing the cut-off function. Finite difference methods have been studied in 14–16 fo...
the present study aims at indicating the existence and uniqueness result of system in extended colombeaualgebra. the caputo fractional derivative is used for solving the system of odes. in addition, rieszfractional derivative of colombeau generalized algebra is considered. the purpose of introducing rieszfractional derivative is regularizing it in colombeau sense. we also give a solution to a n...
This paper studies the discretization of fractional operators by means advanced clustering methods. The Grünwald–Letnikov operator is approximated series generated Euler, Tustin and generalized mean. for different orders form objects to be assessed. For this purpose, several distances associated with hierarchical multidimensional scaling computational techniques are tested. Arc-cosine distance ...
The method ot atomic decomposition of Besov and Lizorkin-Triebel function spaces is combined with basic ideas from the theory of singular integral operators and applied to the study of fractional integral and diierential operators (FIDO), of which the Riesz potential is considered in detail as a model example. The main new results are: characterization of the Riesz potential by an innnite-dimen...
Soluble salts in saline soil often exist the form of salt base ions, and excessive water-soluble ions can harm plant growth. As one Na+ ion, is main indicator degree salinization. The pretreatment visible, near infrared short-wave (VNIR-SWIR) spectroscopy data key to establishing a high-precision inversion model, proper method fully extract effective information hidden hyperspectral data. Meanw...
in this article, we survey the asymptotic stability analysis of fractional differential systems with the prabhakar fractional derivatives. we present the stability regions for these types of fractional differential systems. a brief comparison with the stability aspects of fractional differential systems in the sense of riemann-liouville fractional derivatives is also given.
In this paper we propose an improved fuzzy adaptive control strategy, for a class of nonlinear chaotic fractional order (SISO) systems with unknown control gain sign. The online control algorithm uses fuzzy logic sets for the identification of the fractional order chaotic system, whereas the lack of a priori knowledge on the control directions is solved by introducing a fractional order Nussbau...
in this paper, we prove the existence and uniqueness results to the random fractional functional differential equations under assumptions more general than the lipschitz type condition. moreover, the distance between exact solution and appropriate solution, and the existence extremal solution of the problem is also considered.
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