Channel prediction using ordinary differential equations for MIMO systems

L Wang, G Liu, J Xue, KK Wong - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Channel state information (CSI) estimation is part of the most fundamental problems in 5G
wireless communication systems. In mobile scenarios, outdated CSI will have a serious …

[HTML][HTML] General explicit difference formulas for numerical differentiation

J Li - Journal of Computational and Applied Mathematics, 2005 - Elsevier
Through introducing the generalized Vandermonde determinant, the linear algebraic system
of a kind of Vandermonde equations is solved analytically by use of the basic properties of …

Biomass transport cost from field to conversion facility when biomass yield density and road network vary with transport radius

R Golecha, J Gan - Applied Energy, 2016 - Elsevier
Biomass transport cost from field to a conversion facility is a major component of biofuel
production cost. Several studies have provided a general framework, independent of …

[PDF][PDF] Finite difference formulae for unequal sub-intervals using Lagrange's interpolation formula

AK Singh, BS Bhadauria - Int. J. Math. Anal, 2009 - Citeseer
General finite difference formulae and the corresponding error terms have been derived
considering unequally spaced grid points, and using Lagrange's interpolation formula …

Three-step general discrete-time Zhang neural network design and application to time-variant matrix inversion

C Hu, X Kang, Y Zhang - Neurocomputing, 2018 - Elsevier
In recent decades, neural networks methods have widely applied to many science and
engineering fields. Zhang neural network (ZNN) as a special type of recurrent neural …

Derivative kernels: Numerics and applications

MS Hosseini, KN Plataniotis - IEEE Transactions on Image …, 2017 - ieeexplore.ieee.org
A generalized framework for numerical differentiation (ND) is proposed for constructing a
finite impulse response (FIR) filter in closed form. The framework regulates the frequency …

An improved rotated staggered-grid finite-difference method with fourth-order temporal accuracy for elastic-wave modeling in anisotropic media

K Gao, L Huang - Journal of Computational Physics, 2017 - Elsevier
The rotated staggered-grid (RSG) finite-difference method is a powerful tool for elastic-wave
modeling in 2D anisotropic media where the symmetry axes of anisotropy are not aligned …

[HTML][HTML] An algorithm for the finite difference approximation of derivatives with arbitrary degree and order of accuracy

HZ Hassan, AA Mohamad, GE Atteia - Journal of Computational and …, 2012 - Elsevier
In this paper, we introduce an algorithm and a computer code for numerical differentiation of
discrete functions. The algorithm presented is suitable for calculating derivatives of any …

Finite differences in forward and inverse imaging problems: Maxpol design

MS Hosseini, KN Plataniotis - SIAM Journal on Imaging Sciences, 2017 - SIAM
A systematic and comprehensive framework for finite impulse response (FIR)
lowpass/fullband derivative kernels is introduced in this paper. Closed form solutions of a …

Spatial-temporal high-order rotated-staggered-grid finite-difference scheme of elastic wave equations for TTI medium

J Xie, B He - Journal of Computational Physics, 2024 - Elsevier
In the finite-difference (FD) solution of the elastic wave equation for TTI medium, the
traditional FD scheme can improve the computational accuracy of the spatial derivatives …