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Nonlinear conjugate gradient

Efficient spectral computation of the stationary states of rotating Bose-Einstein condensates by the preconditioned nonlinear conjugate gradient method

Efficient spectral computation of the stationary states of rotating Bose-Einstein condensates by the preconditioned nonlinear conjugate gradient method

... constrained nonlinear conjugate gradient method for solv- ing the rotating GPE (Section 2) with a pseudospectral discretization scheme (see Section ...the gradient flow/imaginary-time equation ...

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Development of numerical methods for the reactive transport of chemical species in a porous media : a nonlinear conjugate gradient method

Development of numerical methods for the reactive transport of chemical species in a porous media : a nonlinear conjugate gradient method

... coupling, nonlinear conjugate gra- dient method, preconditioning ...of nonlinear coupled equations F(x) = ...investigating nonlinear conjugate gradient methods to improve the ...

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Polynomes polaires et gradient conjugue

Polynomes polaires et gradient conjugue

... (1970). Nonlinear programming computational methods, in ...of conjugate gradient for solving linear equations, ...(1970). Nonlinear Programming, Computational Methods, in Integer and ...

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Local Gradient Estimates for Second-Order Nonlinear Elliptic and Parabolic Equations by the Weak Bernstein's Method

Local Gradient Estimates for Second-Order Nonlinear Elliptic and Parabolic Equations by the Weak Bernstein's Method

... second-order, nonlinear elliptic and parabolic equations, obtaining local or global gradient bounds is often a key step for proving the existence of solutions but it may be even more useful in many ...

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Single conjugate adaptive optics for METIS

Single conjugate adaptive optics for METIS

... Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series 10703, 1070314 (Jul 2018). [2] Hippler, S., Feldt, M., Bertram, T., Brandner, W., Cantalloube, F., Carlomagno, B., Absil, O., Obereder, A., ...

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Invariant conjugate analysis for exponential families

Invariant conjugate analysis for exponential families

... exp{θ(η) · α + β ϕ(θ(η))}. (5) The second one, known as the standard conjugate prior family, is given by π α,β (η) ∝ exp{θ(η) · α + β ϕ(θ(η))}. (6) Note that Formulas ( 5 ) and ( 6 ) differ by the Jacobian ...

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Hardy spaces of the conjugate Beltrami equation

Hardy spaces of the conjugate Beltrami equation

... 7 Conclusion This paper took a few steps towards a theory of two-dimensional Hardy spaces for the conjugate Beltrami equation on simply connected domains. Conspicuously missing is a factorization theory, whose ...

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Single conjugate adaptive optics for METIS

Single conjugate adaptive optics for METIS

... Examples for topical analyses include, but are not limited to, the residual wavefront error in terms of Strehl ratio (Figure 5 ), the impact of non-common path aberrations on the SCAO pe[r] ...

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Conjugate gradient Mojette reconstruction

Conjugate gradient Mojette reconstruction

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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The Truncated Conjugate Gradient (TCG), a Non-iterative/Fixed-cost Strategy for Computing Polarization in Molecular Dynamics: Fast Evaluation of Analytical Forces

The Truncated Conjugate Gradient (TCG), a Non-iterative/Fixed-cost Strategy for Computing Polarization in Molecular Dynamics: Fast Evaluation of Analytical Forces

... the Conjugate Gradient and thus relying essentially on matrix vector products and computation of electric fields, it can replace standard solvers in a regular im- plementation including linear scaling ones ...

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Asymptotically Euclidean metrics without conjugate points are flat

Asymptotically Euclidean metrics without conjugate points are flat

... without conjugate points, bounded cross-section, and curvature bounded from below must be flat; Croke-Kleiner [ CK98 ] proved that compact perturbations of complete flat Riemannian metrics on any non-compact ...

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Truncated Conjugate Gradient (TCG): an optimal strategy for the analytical evaluation of the many-body polarization energy and forces in molecular simulations

Truncated Conjugate Gradient (TCG): an optimal strategy for the analytical evaluation of the many-body polarization energy and forces in molecular simulations

... Truncated Conjugate Gradient(TCG), to solve the many-body polarization energy and its associated forces in molecular simulations ...of Conjugate Gradient (CG) ...

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Asymptotically exact strain-gradient models for nonlinear slender elastic structures: a systematic derivation method

Asymptotically exact strain-gradient models for nonlinear slender elastic structures: a systematic derivation method

... To connect with the existing literature, we have worked out this example in the limited context of linear elasticity but the derivation can be extended easily to deal, e.g., with a nonlinear constitutive law, a ...

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Instruction manual for model C conjugate point auroral photometer

Instruction manual for model C conjugate point auroral photometer

... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. Report (Nati[r] ...

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Hölder regularity for viscosity solutions of fully nonlinear, local or nonlocal, Hamilton-Jacobi equations with super-quadratic growth in the gradient

Hölder regularity for viscosity solutions of fully nonlinear, local or nonlocal, Hamilton-Jacobi equations with super-quadratic growth in the gradient

... q − δ = 0 in R N × (0, T ) . (5) We denote by p the conjugate exponent of q. We are interested in solutions which are bounded by some constant M: |u(x, t)| ≤ M ∀(x, t) ∈ R N × [0, T ] . (6) In what follows, a ...

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Gradient conjugué, étude unifiée

Gradient conjugué, étude unifiée

... Minimisation sans contraintes Ce chapitre sera consacré à certaines notions, dé…nitions de base et théorèmes concernant les méthodes itératives d’optimisation non linéaire en général et les mé- thodes du gradient ...

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Instruction manual for model B conjugate point auroral photometer

Instruction manual for model B conjugate point auroral photometer

... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. Report (Nati[r] ...

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3-D resistivity forward modeling and inversion using conjugate gradients

3-D resistivity forward modeling and inversion using conjugate gradients

... To thoroughly investigate each method (Mackie and Madden, 1993; Rodi, 1976), we present two equations for calculating Ax and A T y that explicitly contain the forward problems required b[r] ...

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Single conjugate adaptive optics for the ELT instrument METIS

Single conjugate adaptive optics for the ELT instrument METIS

... Within this file, the atmo- sphere, the wavefront sensor(s), the deformable mirror(s), the reconstruction method, the AO loop parameters, the wavefront sensor wavelength, the science tar[r] ...

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Methodology of numerical coupling for transient conjugate heat transfer

Methodology of numerical coupling for transient conjugate heat transfer

... Conjugate heat transfer is thus a key industrial issue which can be investigated in several ways. Analytical approaches produce inter- esting information to identify the leading parameters of a problem and to ...

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