Search Results - "Journal of computational and applied mathematics"
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Tempered stable Lévy motion and transient super-diffusion
Published in Journal of computational and applied mathematics (15-03-2010)“…The space-fractional diffusion equation models anomalous super-diffusion. Its solutions are transition densities of a stable Lévy motion, representing the…”
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Unveiling patterns in xorshift128+ pseudorandom number generators
Published in Journal of computational and applied mathematics (01-03-2022)“…Xorshift128+ is a newly proposed pseudorandom number generator (PRNG), which is now the standard PRNG on a number of platforms. We demonstrate that…”
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Eigenvalue estimates for saddle point matrices of Hermitian and indefinite leading blocks
Published in Journal of computational and applied mathematics (01-01-2013)“…We study the eigenvalue bounds for the nonsingular saddle point matrices of Hermitian and indefinite (1,1) and (2,2) blocks without imposing the restrictions…”
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The meshing framework ViennaMesh for finite element applications
Published in Journal of computational and applied mathematics (01-11-2014)“…The applicability of the meshing framework ViennaMesh for finite element simulations is investigated. Meshing tools are highly diverse, meaning that each…”
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Least squares parameter estimation and multi-innovation least squares methods for linear fitting problems from noisy data
Published in Journal of computational and applied mathematics (01-07-2023)“…Least squares is an important method for solving linear fitting problems and quadratic optimization problems. This paper explores the properties of the least…”
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On conformable fractional calculus
Published in Journal of computational and applied mathematics (01-05-2015)“…Recently, the authors Khalil et al. (2014) introduced a new simple well-behaved definition of the fractional derivative called conformable fractional…”
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A new definition of fractional derivative
Published in Journal of computational and applied mathematics (01-07-2014)“…We give a new definition of fractional derivative and fractional integral. The form of the definition shows that it is the most natural definition, and the…”
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Separable synthesis gradient estimation methods and convergence analysis for multivariable systems
Published in Journal of computational and applied mathematics (01-08-2023)“…This paper studies the parameter identification problem for a large-scale multivariable systems. In terms of the identification obstacle causing by huge…”
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Analysis and some applications of a regularized Ψ–Hilfer fractional derivative
Published in Journal of computational and applied mathematics (01-12-2022)“…The main purpose of this research is to present a generalization of Ψ–Hilfer fractional derivative, called as regularized Ψ–Hilfer, and study some of its basic…”
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Complex dynamics of a discrete-time Bazykin–Berezovskaya prey-predator model with a strong Allee effect
Published in Journal of computational and applied mathematics (15-10-2022)“…The present paper investigates the critical normal form coefficients for the one-parameter and two-parameter bifurcations of a discrete-time…”
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Optimally weighted loss functions for solving PDEs with Neural Networks
Published in Journal of computational and applied mathematics (15-05-2022)“…Recent works have shown that deep neural networks can be employed to solve partial differential equations, giving rise to the framework of physics informed…”
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Fractional Newton mechanics with conformable fractional derivative
Published in Journal of computational and applied mathematics (15-12-2015)“…In this paper we use the conformable fractional derivative and integral to discuss the fractional Newtonian mechanics. The fractional version of the calculus…”
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Application of genetic algorithm and BP neural network in supply chain finance under information sharing
Published in Journal of computational and applied mathematics (01-03-2021)“…The supply chain finance industry will generate the flow of funds and commodities when providing financing services to small and medium-sized enterprises…”
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A weak Galerkin finite element method for second-order elliptic problems
Published in Journal of computational and applied mathematics (15-03-2013)“…This paper introduces a finite element method by using a weakly defined gradient operator over generalized functions. The use of weak gradients and their…”
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The truncated Euler–Maruyama method for stochastic differential equations
Published in Journal of computational and applied mathematics (15-12-2015)“…Influenced by Higham et al. (2003), several numerical methods have been developed to study the strong convergence of the numerical solutions to stochastic…”
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Bifurcation analysis and complex dynamics of a Kopel triopoly model
Published in Journal of computational and applied mathematics (01-07-2023)“…In this paper, a novel type of generalized Kopel triopoly model is presented to reveal the complex dynamics and transitions between different dynamic…”
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Application of innovative risk early warning mode under big data technology in Internet credit financial risk assessment
Published in Journal of computational and applied mathematics (01-04-2021)“…In the era of big data, it is aimed to use big data technology to form an effective early warning and prevention of Internet credit. The BP neural network…”
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Numerical simulations of nonlinear stochastic Newell-Whitehead-Segel equation and its measurable properties
Published in Journal of computational and applied mathematics (15-01-2023)“…In this article, the stochastic form of the Newell-Whitehead-Segel equation has been investigated. This is a fully nonlinear partial differential equation and…”
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