Results 11 to 20 of about 3,838,636 (215)

SECOND ORDER OPTIMALITY CONDITIONS

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2019
Nonlinear programming problems are studied. Necessary second order optimality conditions are proved under minimal assumptions about constraints.
A. E. Leschov, L. I. Minchenko
doaj   +1 more source

High order second derivative diagonally implicit multistage integration methods for ODEs

open access: yesMathematical Modelling and Analysis, 2023
Construction of second derivative diagonally implicit multistage integration methods (SDIMSIMs) as a subclass of second derivative general linear methods with Runge–Kutta stability property requires to generate the corresponding conditions depending of ...
Mohammad Sharifi   +3 more
doaj   +1 more source

Construction of Two-Derivative Runge–Kutta Methods of Order Six

open access: yesAlgorithms, 2023
Two-Derivative Runge–Kutta methods have been proposed by Chan and Tsai in 2010 and order conditions up to the fifth order are given. In this work, for the first time, we derive order conditions for order six.
Zacharoula Kalogiratou   +1 more
doaj   +1 more source

Local error structures and order conditions in terms of Lie elements for exponential splitting schemes [PDF]

open access: yesOpuscula Mathematica, 2014
We discuss the structure of the local error of exponential operator splitting methods. In particular, it is shown that the leading error term is a Lie element, i.e., a linear combination of higher-degree commutators of the given operators.
Winfried Auzinger, Wolfgang Herfort
doaj   +1 more source

Conditional Memory Ordering [PDF]

open access: yes33rd International Symposium on Computer Architecture (ISCA'06), 2006
Conventional relaxed memory ordering techniques follow a proactive model: at a synchronization point, a processor makes its own updates to memory available to other processors by executing a memory barrier instruction, ensuring that recent writes have been ordered with respect to other processors in the system.
Christoph von Praun   +3 more
openaire   +1 more source

Explicit Symplectic Runge–Kutta–Nyström Methods Based on Roots of Shifted Legendre Polynomial

open access: yesMathematics, 2023
To date, all explicit symplectic Runge–Kutta–Nyström methods of order five or above are derived by numerical solutions of order condition equations and symplectic condition. In this paper, we derive 124 sets of seven-stage fifth-order explicit symplectic
Jun Zhang   +2 more
doaj   +1 more source

Order Conditions for Languages

open access: yes, 2023
We define a condition on the resolution of bispecials in a language. A language satisfies this order condition if and only if it is the natural coding of a generalized interval exchange transformation, while the order condition plus some additional ones characterize the codings of various more classical interval exchange transformations. Also, a finite
Ferenczi, Sébastien   +2 more
openaire   +2 more sources

Second-Order Conditioning in Humans [PDF]

open access: yesFrontiers in Behavioral Neuroscience, 2021
In contrast to the large body of work demonstrating second-order conditioning (SOC) in non-human animals, the evidence for SOC in humans is scant. In this review, I examine the existing literature and suggest theoretical and procedural explanations for why SOC has been so elusive in humans.
openaire   +3 more sources

Withdrawal of valproic acid during pregnancy in women with epilepsy

open access: yesНеврология, нейропсихиатрия, психосоматика, 2023
Objective: to analyze the course of epilepsy in women after withdrawal of valproic acid (VA) during pregnancy. Material and methods. The study was conducted in the Center of paroxysmal conditions of Vitebsk Regional Clinical Diagnostic Center.
H. I. Navumava   +5 more
doaj   +1 more source

First-Order Conditions for Set-Constrained Optimization

open access: yesMathematics, 2023
A well-known first-order necessary condition for a point to be a local minimizer of a given function is the non-negativity of the dot product of the gradient and a vector in a feasible direction.
Steven M. Rovnyak   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy