Universal function approximation by deep neural nets with bounded width and relu activations

B Hanin - Mathematics, 2019 - mdpi.com
This article concerns the expressive power of depth in neural nets with ReLU activations and
a bounded width. We are particularly interested in the following questions: What is the …

A recent survey on computational techniques for solving singularly perturbed boundary value problems

M Kumar, P Singh, HK Mishra - International Journal of Computer …, 2007 - Taylor & Francis
This survey paper contains a surprisingly large amount of material and indeed can serve as
an introduction to some of ideas and methods of singular perturbation theory. In continuation …

[HTML][HTML] Trigonometrically fitted predictor–corrector methods for IVPs with oscillating solutions

G Psihoyios, TE Simos - Journal of Computational and Applied …, 2003 - Elsevier
In this paper we develop a trigonometrically fitted predictor–corrector (P–C) scheme, which
is based on the well-known two-step second-order Adams–Bashforth method (as predictor) …

[HTML][HTML] A fourth algebraic order trigonometrically fitted predictor–corrector scheme for IVPs with oscillating solutions

G Psihoyios, TE Simos - Journal of Computational and Applied …, 2005 - Elsevier
A scheme of trigonometrically fitted predictor–corrector (P–C) Adams–Bashforth–Moulton
methods is constructed in this paper. Our new P–C method is based on the third order …

Symplectic conditions for exponential fitting Runge-Kutta-Nyström methods

A Tocino, J Vigo-Aguiar - Mathematical and Computer Modelling, 2005 - Elsevier
Symplectic Conditions for Exponential Fitting Runge-Kutta-NystrSm Methods Page 1 ELSEVIER
MATHEMATICAL Available online at www.sciencedirect.com 8CIENCE ~___~DIRECT e …

A parallel boundary value technique for singularly perturbed two-point boundary value problems

J Vigo-Aguiar, S Natesan - The journal of Supercomputing, 2004 - Springer
A class of singularly perturbed two-point boundary-value problems (BVPs) for second-order
ordinary differential equations (DEs) is considered here. In order to obtain numerical …

[HTML][HTML] Dissipative Chebyshev exponential-fitted methods for numerical solution of second-order differential equations

J Vigo-Aguiar, H Ramos - Journal of Computational and Applied …, 2003 - Elsevier
A family of implicit methods based on intra-step Chebyshev interpolation has been
developed to integrate oscillatory second-order initial value problems of the form y ″(t)− 2g …

[HTML][HTML] On the frequency choice in trigonometrically fitted methods

H Ramos, J Vigo-Aguiar - Applied Mathematics Letters, 2010 - Elsevier
The choice of frequency in trigonometrically fitted methods is a fundamental question,
especially if long-term prediction is considered. For linear oscillators, the frequency of the …

Highly efficient, singularly P-stable, and low-cost phase-fitting two-step method of 14th order for problems in chemistry

CL Lin, TE Simos - Journal of Mathematical Chemistry, 2023 - Springer
The phase lag and its first derivative can all vanish when utilising a phase-fitting strategy.
Since the new method employs the highest possible algebraic order (AOR) while …

A phase-fitting, first and second derivatives phase-fitting singularly P-stable economical two-step method for problems in chemistry

B Sun, CL Lin, TE Simos - Journal of Mathematical Chemistry, 2022 - Springer
A phase-fitting, first and second derivatives phase-fitting method is produced. The new
algorithm is singularly P-Stable and belongs to the economic algorithms. The new method is …