Results 31 to 40 of about 281,341 (190)

Analysis of Volterra Integrodifferential Equations with the Fractal-Fractional Differential Operator

open access: yesComplexity, 2023
In this paper, a class of integrodifferential equations with the Caputo fractal-fractional derivative is considered. We study the exact and numerical solutions of the said problem with a fractal-fractional differential operator.
null Kamran   +5 more
doaj   +1 more source

Lossy transmission line response via numerical Laplace transform inversion [PDF]

open access: yes, 1994
An efficient transient analysis of lossy lines with nonlinear loads requires the ability to compute and represent a suitable set of line impulse responses.
Canavero, Flavio, Maio, Ivano Adolfo
core   +1 more source

Adversarial Numerical Analysis for Inverse Problems

open access: yesCoRR, 2019
29 pages, 16 ...
Kailai Xu, Eric Darve
openaire   +2 more sources

A model reduction approach to numerical inversion for a parabolic partial differential equation

open access: yes, 2014
We propose a novel numerical inversion algorithm for the coefficients of parabolic partial differential equations, based on model reduction. The study is motivated by the application of controlled source electromagnetic exploration, where the unknown is ...
Borcea, Liliana   +3 more
core   +1 more source

Generalized Post-Widder inversion formula with application to statistics [PDF]

open access: yes, 2015
In this work we derive an inversion formula for the Laplace transform of a density observed on a curve in the complex domain, which generalizes the well known Post-Widder formula.
Belomestny, Denis   +2 more
core   +3 more sources

A strongly convergent numerical scheme from Ensemble Kalman inversion [PDF]

open access: yes, 2018
The Ensemble Kalman methodology in an inverse problems setting can be viewed as an iterative scheme, which is a weakly tamed discretization scheme for a certain stochastic differential equation (SDE).
Blömker, Dirk   +2 more
core   +2 more sources

Sparse inversion of Stokes profiles. I. Two-dimensional Milne-Eddington inversions

open access: yes, 2015
Inversion codes are numerical tools used for the inference of physical properties from the observations. Despite their success, the quality of current spectropolarimetric observations and those expected in the near future presents a challenge to current ...
Ramos, A. Asensio   +1 more
core   +1 more source

Single-Spin Measurement and Decoherence in Magnetic Resonance Force Microscopy [PDF]

open access: yes, 2002
We consider a simple version of a cyclic adiabatic inversion (CAI) technique in magnetic resonance force microscopy (MRFM). We study the problem: What component of the spin is measured in the CAI MRFM?
A.O. Caldeira   +9 more
core   +2 more sources

A simple scheme for the inversion of a Preisach like hysteresis operator in saturation conditions

open access: yesAIP Advances, 2022
A class of operators based on a Prandtl-Ishilinskii operator with inverse in a closed form is presented. Conversely to those considered in the past, they describe the B − H constitutive equation and not the usual J − H link.
M. Balato   +3 more
doaj   +1 more source

Inversion of Parahermitian matrices [PDF]

open access: yes, 2010
Parahermitian matrices arise in broadband multiple-input multiple-output (MIMO) systems or array processing, and require inversion in some instances. In this paper, we apply a polynomial eigenvalue decomposition obtained by the sequential best rotation ...
Millar, Andrew P.   +2 more
core  

Home - About - Disclaimer - Privacy