Results 71 to 80 of about 330,664 (214)

Raising Power Loss Equalizing Degree of Coil Array by Convex Quadratic Optimization Commutation for Magnetic Levitation Planar Motors

open access: yesApplied Sciences, 2018
This paper proposes a convex quadratic optimization commutation method to raise the equalization degree of power loss distribution of coil array for magnetic levitation planar motors.
Shengguo Zhang   +2 more
doaj   +1 more source

Senior Thesis for Haverford College Convex Optimization, Newton's Method and Interior Point Method [PDF]

open access: yesarXiv, 2020
This paper consists of four general parts: convex sets; convex functions; convex optimization; and the interior-point algorithm. I will start by introducing the definition of convex sets and give three common convex set examples which will be used later in this paper, then prove the significant separating and supporting hyperplane theorems.
arxiv  

Chasing Convex Bodies Optimally [PDF]

open access: yes, 2020
In the chasing convex bodies problem, an online player receives a request sequence of $N$ convex sets $K_1,\dots, K_N$ contained in a normed space $\mathbb R^d$. The player starts at $x_0\in \mathbb R^d$, and after observing each $K_n$ picks a new point $x_n\in K_n$. At each step the player pays a movement cost of $||x_n-x_{n-1}||$.
openaire   +2 more sources

Large Scale Resource Allocation for the Internet of Things Network Based on ADMM

open access: yesIEEE Access, 2020
Large scale deployment of Internet of Things (IoT) devices poses challenges in resource allocation. In this paper, alternating direction method of multipliers (ADMM) is adopted to solve such large scale resource allocation problems.
Yanhua He   +3 more
doaj   +1 more source

A new accelerated algorithm with a linesearch technique for convex bilevel optimization problems with applications

open access: yesAIMS Mathematics
We considered a convex bilevel optimization problem when the outer level problem was to find a minimizer of a strongly convex function over the set of solutions of the inner level problem which was in the form of minimization of the sum of a convex ...
Adisak Hanjing   +2 more
doaj   +1 more source

An optimal algorithm for stochastic strongly-convex optimization [PDF]

open access: yesarXiv, 2010
We consider stochastic convex optimization with a strongly convex (but not necessarily smooth) objective. We give an algorithm which performs only gradient updates with optimal rate of convergence.
arxiv  

Regrets of Proximal Method of Multipliers for Online Non-convex Optimization with Long Term Constraints [PDF]

open access: yesarXiv, 2022
The online optimization problem with non-convex loss functions over a closed convex set, coupled with a set of inequality (possibly non-convex) constraints is a challenging online learning problem. A proximal method of multipliers with quadratic approximations (named as OPMM) is presented to solve this online non-convex optimization with long term ...
arxiv  

Convex underestimating relaxation techniques for nonconvex polynomial programming problems: computational overview

open access: yesJournal of the Mechanical Behavior of Materials, 2015
This paper introduces constructing convex-relaxed programs for nonconvex optimization problems. Branch-and-bound algorithms are convex-relaxation-based techniques.
Keller André A.
doaj   +1 more source

Nearly convex sets: fine properties and domains or ranges of subdifferentials of convex functions [PDF]

open access: yesarXiv, 2015
Nearly convex sets play important roles in convex analysis, optimization and theory of monotone operators. We give a systematic study of nearly convex sets, and construct examples of subdifferentials of lower semicontinuous convex functions whose domain or ranges are nonconvex.
arxiv  

RSS-TOA based localization algorithm in non-line-of-sight environment

open access: yesDianxin kexue, 2019
The existence of non-line-of-sight (NLOS) error can degrade the positioning performance in wireless sensor network localization system,especially in indoor localization.To overcome the localization error caused by NLOS propagation,a localization ...
Zhigang LU   +4 more
doaj   +2 more sources

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