Results 31 to 40 of about 22,937,031 (254)
Applying Haar-Sinc Spectral Method for Solving time-fractional Burger Equation [PDF]
Mathematics and Computational SciencesHaar-Sinc spectral method is used for the numerical approximation of time fractional Burgers’equations with variable and constant coefficients. The main idea in this method is using a linear discretization of time and space by combination of Haar and ...
Ali Pirkhedri
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Applied Mathematics in Science and Engineering, 2023 The solution of a nonlinear hyperbolic Schrödinger equation (NHSE) is proposed in this paper using the Haar wavelet collocation technique (HWCM). The central difference technique is applied to handle the temporal derivative in the NHSE and the finite ...
Weidong Lei +4 more
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Haar Wavelet Method for the System of Integral Equations
Abstract and Applied Analysis, 2014 We employed the Haar wavelet method to find numerical solution of the system of Fredholm integral equations (SFIEs) and the system of Volterra integral equations (SVIEs).
Hassan A. Zedan, Eman Alaidarous
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A Haar Wavelet Decision Feedback Channel Estimation Method in OFDM Systems
Applied Sciences, 2018 Channel estimation is a key technology in improving the performance of the orthogonal frequency division multiplexing (OFDM) system. The pilot-based channel estimation method decreases the spectral efficiency and data transmission rate. Some conventional
Ruiguang Tang, Xiao Zhou, Chengyou Wang
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Fractal and Fractional, 2023 This paper aims to solve general fractional Lane-Emden-Fowler differential equations using the Haar wavelet collocation method. This method transforms the fractional differential equation into a nonlinear system of equations, which is further solved for ...
Kholoud Saad Albalawi +3 more
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Comparison between the Heun's and Haar Wavelet Methods for solution Differential-Algebraic Equations (DAEs) [PDF]
Al-Rafidain Journal of Computer Sciences and Mathematics, 2009 In this paper, We solved the system of differential-algebraic equation (DAEs) of index one numerically with Heun's method and operational matrices of Haar wavelet method, When we compared the results of the two methods with the exact solution, show that ...
Abdulghafor Al-Rozbayani, Ahmed Qasem
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Learning-based license plate detection using global and local features [PDF]
, 2006 This paper proposes a license plate detection algorithm using both global statistical features and local Haar-like features. Classifiers using global statistical features are constructed firstly through simple learning procedures. Using these classifiers,
He, X, Jia, W, Wu, Q, Zhang, H
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Numerical Solution for Linear Parabolic Reaction-Double Diffusivity System using the Operational Matrices of the Haar Wavelets Method [PDF]
Al-Rafidain Journal of Computer Sciences and Mathematics, 2008 We are using the operational matrices of the Haar wavelets method for solving linear parabolic reaction-diffusion system with double diffusivity. A numerical method based on the Haar wavelets approach which has the property , we compared this result ...
Ahmed Qasem
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Ensemble of Hankel Matrices for Face Emotion Recognition [PDF]
, 2015 In this paper, a face emotion is considered as the result of the composition of multiple concurrent signals, each corresponding to the movements of a specific facial muscle.
A Ramirez Rivera +14 more
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Sharp Weak-Type Inequality for the Haar System, Harmonic Functions and Martingales
, 2014 Let (hk)k≥0 be the Haar system on [0, 1]. We show that for any vectors ak from a separable Hilbert space H and any ek ∈ [−1, 1], k = 0, 1, 2, . . ., we have the sharp inequality ∣∣∣∣ ∣∣∣∣ n ∑ k=0 ekakhk ∣∣∣∣ ∣∣∣∣ W ([0,1]) ≤ 2 ∣∣∣∣ ∣∣∣∣ n ∑ k=0 akhk ∣∣∣∣
A. Osȩkowski
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