Results 51 to 60 of about 161,542 (309)

Optimality Conditions for Constrained Minimax Optimization

open access: yesCSIAM Transactions on Applied Mathematics, 2020
17 ...
Dai, Yu-Hong, Zhang, Liwei
openaire   +4 more sources

Fast iterative solvers for PDE-constrained optimization problems

open access: yes, 2013
In this thesis, we develop preconditioned iterative methods for the solution of matrix systems arising from PDE-constrained optimization problems. In order to do this, we exploit saddle point theory, as this is the form of the matrix systems we wish to ...
Pearson, John W
core   +1 more source

MOOSE Optimization Module: Physics-constrained optimization

open access: yesSoftwareX
The MOOSE Optimization Module integrates optimization capabilities within the MOOSE framework, enabling efficient and accurate physics-constrained optimization. This module leverages automatic differentiation to compute Jacobians and employs an automatic
Zachary M. Prince   +4 more
doaj   +1 more source

Constrained optimization via quantum Zeno dynamics

open access: yesCommunications Physics, 2023
Constrained optimization problems are ubiquitous in science and industry. Quantum algorithms have shown promise in solving optimization problems, yet none of the current algorithms can effectively handle arbitrary constraints.
Dylan Herman   +8 more
doaj   +1 more source

A dynamic programming approach to constrained portfolios [PDF]

open access: yes, 2012
This paper studies constrained portfolio problems that may involve constraints on the probability or the expected size of a shortfall of wealth or consumption.
Steffensen, Mogens, Kraft, Holger
core   +1 more source

Constrained Optimization of MIMO Training Sequences

open access: yesEURASIP Journal on Advances in Signal Processing, 2007
Multiple-input multiple-output (MIMO) systems have shown a huge potential for increased spectral efficiency and throughput. With an increasing number of transmitting antennas comes the burden of providing training for channel estimation for coherent ...
Coon Justin P, Sandell Magnus
doaj   +2 more sources

CIOA: Circle-Inspired Optimization Algorithm, an algorithm for engineering optimization

open access: yesSoftwareX, 2022
This paper presents a new, robust and very efficient metaheuristic optimization algorithm, called Circle Inspired Optimization Algorithm (CIOA), for solving constrained and unconstrained engineering optimization problems. The inspiration for the proposed
Otávio Augusto Peter de Souza   +1 more
doaj   +1 more source

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo   +5 more
wiley   +1 more source

Niching genetic algorithms for optimization in electromagnetics. II. Shape optimization of electrodes using the CSM [PDF]

open access: yes, 1998
In this paper, we present a new approach for automatic design of electrodes. The investigated method consists in identifying an optimal shape from an optimal equipotential resulting from a system of point charges.
Sareni, Bruno   +2 more
core   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

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