Search Results - numerical analytic continuation algorithm

A New Numerical Algorithm for the Analytic Continuation of Green's Functions by Natoli, Vincent D., Cohen, Morrel H., Fornberg, Bengt

“…The need to calculate the spectral properties of a Hermitian operatorHfrequently arises in the technical sciences. A common approach to its solution involves…”
Get full text

Numerical analytic continuation by Trefethen, Lloyd N.

“… This might be an interval of the real line, where f might be real analytic. How can we calculate good estimates of the analytic continuation of f to other points z ∈ C…”
Get full text

Extended Metal-Insulator Crossover with Strong Antiferromagnetic Spin Correlation in Half-Filled 3D Hubbard Model by Song, Yu-Feng, Deng, Youjin, He, Yuan-Yao

“… Employing an improved variant of the numerically exact auxiliary-field quantum Monte Carlo algorithm equipped with numerical analytic continuation, we obtain a broad…”
Get full text

Theoretical convergence guarantees versus numerical convergence behavior of the holomorphically embedded power flow method by Rao, Shruti D., Tylavsky, Daniel J.

“…•Numerical convergence depends on the analytic-continuation algorithm used.•Eight acceleration schemes for obtaining converged HEPF voltage series compared…”
Get full text

Stability and instability of solitary waves of the fifth-order KdV equation: a numerical framework by Bridges, Thomas J., Derks, Gianne, Gottwald, Georg

“… The complete algorithm has several new features, including a rigorous numerical algorithm for choosing starting values, a new method for numerical analytic continuation of starting vectors, the role…”
Get full text

Analytic prediction of isolated forced response curves from spectral submanifolds by Ponsioen, S., Pedergnana, T., Haller, G.

“… Our analytic predictions can be refined to arbitrary precision via an algorithm that does not require the numerical solutions of the mechanical system…”
Get full text

Asymptotic Expansion of Crocco Solution and the Blasius Constant by Varin, V. P.

“… before. We describe the structure of the Riemann surface of the Crocco solution at the singularity. These results were used for construction of an effective numerical algorithm…”
Get full text

Analytic continuation from limited noisy Matsubara data by Ying, Lexing

“… the spectral distribution. Numerical results are provided to demonstrate the performance of the algorithms…”
Get full text

Beyond the limitations of perturbation methods for real random eigenvalue problems using Exceptional Points and analytic continuation by Ghienne, Martin, Nennig, Benoit

“…A numerical method is proposed to approximate the solution of parametric eigenvalue problem when the variability of the parameters exceed the radius of convergence of low order perturbation methods…”
Get full text

Analytic continuation and numerical evaluation of the kite integral and the equal mass sunrise integral by Bogner, Christian, Schweitzer, Armin, Weinzierl, Stefan

“…We study the analytic continuation of Feynman integrals from the kite family, expressed in terms of elliptic generalisations of (multiple) polylogarithms…”
Get full text

Efficient Computation of Green's Functions for Lossy Uniaxial Anisotropic Layered Media by Li, Dawei, Wilton, Donald R., Jackson, David R., Chen, Ji, Wang, Hanming

“…The efficient computation of Green's functions for uniaxial anisotropic layered media is investigated. Both field and mixed‐potential layered medium Green's…”
Get full text

An Algorithm for Analytic Continuation by Henrici, Peter

Get full text

Fast Iterative Shrinkage-Thresholding Algorithm with Continuation for Brain Injury Monitoring Imaging Based on Electrical Impedance Tomography by Liu, Xuechao, Zhang, Tao, Ye, Jian’an, Tian, Xiang, Zhang, Weirui, Yang, Bin, Dai, Meng, Xu, Canhua, Fu, Feng

“… To address these problems, a least absolute shrinkage and selection operator model is built, and a fast iterative shrinkage-thresholding algorithm with continuation (FISTA-C) is proposed…”
Get full text

Exponential asymptotics of woodpile chain nanoptera using numerical analytic continuation by Deng, Guo, Lustri, Christopher J.

“…‐order solution explicitly. We show that accurate asymptotic approximations can be obtained using numerical approximation in place of the exact leading‐order behavior…”
Get full text

Numerical algorithm of fourth-grade nanofluid flow with heat transfer consists of aluminum alloys over a riga plate by Ahmad, Hijaz, Ghazwani, Hassan Ali, Elsaeedy, H. I., Mosallem, M. M., Hayat, Asif Ullah

“… The transform set of ordinary differential equations (ODEs) is numerically solved by using the parametric continuation…”
Get full text

Continuation Approach Combined with Semi-Analytical Finite-Element Method for Solving Guided-Wave Dispersion Equation by Maruyama, Taizo, Nakahata, Kazuyuki

“… Solutions of the system of nonlinear equations are traced by means of a numerical continuation method (NCM…”
Get full text

Accelerating Core-Level GW Calculations by Combining the Contour Deformation Approach with the Analytic Continuation of W by Panadés-Barrueta, Ramón L, Golze, Dorothea

“… In this work, we present the CD-WAC method [CD with analytic continuation (AC)], which reduces the scaling of CD applied to the inner shells from O(N ) to O(N…”
Get more information

Coupling finite difference methods and integral formulas for elliptic problems arising in fluid mechanics by Albuquerque, C., Cottet, G.-H.

“… The second one is motivated by potential calculations in free boundary problems and can be viewed as a numerical analytic continuation algorithm…”
Get full text

Subharmonic resonance analysis of asymmetrical stiffness nonlinear systems with time delay by Liu, Xinliang, Fang, Bin, Wan, Shaoke, Li, Xiaohu

“… To further examine the switching behavior between primary and subharmonic resonances, a numerical continuation approach combining the shooting method and the parameter continuation algorithm is developed…”
Get full text

The θ-dependence of the Yang-Mills spectrum from analytic continuation by Bonanno, Claudio, Bonati, Claudio, Papace, Mario, Vadacchino, Davide

“… 2 dependence of these quantities, which we investigate by means of numerical simulations of the lattice-discretized theory, carried out using imaginary values of the θ parameter…”
Get full text