Results 31 to 40 of about 2,320,712 (255)

On the Convergence of Stochastic Process Convergence Proofs

open access: yesMathematics, 2021
Convergence of a stochastic process is an intrinsic property quite relevant for its successful practical for example for the function optimization problem.
Borja Sánchez-López, Jesus Cerquides
doaj   +1 more source

Optimization with multivariate conditional value-at-risk constraints [PDF]

open access: yes, 2013
For many decision making problems under uncertainty, it is crucial to develop risk-averse models and specify the decision makers' risk preferences based on multiple stochastic performance measures (or criteria). Incorporating such multivariate preference
Noyan, Nilay, Rudolf, Gabor
core   +1 more source

Optimization and Improvement of Gas Spring Design in An Energy Storing Prosthetic Knee

open access: yesInternational Journal of Technology, 2015
In this research, an optimization and improvement of gas spring design is discussed. The gas spring is used as a suspension component of an energy storing prosthetic knee. The gas spring replaces the quadricep muscles of transfemoral amputee.
Cucuk Nur Rosyidi   +2 more
doaj   +1 more source

Adaptive Stochastic Optimization

open access: yesCoRR, 2020
Optimization lies at the heart of machine learning and signal processing. Contemporary approaches based on the stochastic gradient method are non-adaptive in the sense that their implementation employs prescribed parameter values that need to be tuned for each application.
Frank E. Curtis, Katya Scheinberg
openaire   +3 more sources

Data-Pooling in Stochastic Optimization [PDF]

open access: yesSSRN Electronic Journal, 2019
Managing large-scale systems often involves simultaneously solving thousands of unrelated stochastic optimization problems, each with limited data. Intuition suggests that one can decouple these unrelated problems and solve them separately without loss of generality.
Vishal Gupta 0004, Nathan Kallus
openaire   +3 more sources

Model and algorithm for vehicle routing problem with spatial-temporal correlated stochastic travel times

open access: yes四川大学学报. 自然科学版, 2021
This paper studies a version of vehicle routing problem with spatial-temporal correlated stochastic travel times in real road networks. First,a two-stage stochastic optimization model is established for this problem.
ZHANG Dong-Qing   +2 more
doaj  

Distributed delayed stochastic optimization [PDF]

open access: yes2012 IEEE 51st IEEE Conference on Decision and Control (CDC), 2012
We analyze the convergence of gradient-based optimization algorithms that base their updates on delayed stochastic gradient information. The main application of our results is to the development of gradient-based distributed optimization algorithms where a master node performs parameter updates while worker nodes compute stochastic gradients based on ...
Alekh Agarwal, John C. Duchi
openaire   +3 more sources

A novel simulation–optimization strategy for stochastic‐based designing of flood control dam: A case study of Jamishan dam

open access: yesJournal of Flood Risk Management, 2021
This study presents a novel stochastic simulation–optimization approach for optimum designing of flood control dam through incorporation of various sources of uncertainties. The optimization problem is formulated based on two objective functions, namely,
Ahmad Sharafati   +2 more
doaj   +1 more source

An Accelerated Method For Decentralized Distributed Stochastic Optimization Over Time-Varying Graphs [PDF]

open access: yes, 2022
We consider a distributed stochastic optimization problem that is solved by a decentralized network of agents with only local communication between neighboring agents. The goal of the whole system is to minimize a global objective function given as a sum
Dvurechensky, Pavel   +4 more
core   +1 more source

Optimization of stochastic systems [PDF]

open access: yesProceedings of the 18th conference on Winter simulation - WSC '86, 1986
This paper gives a short survey of Monte Carlo algorithms for stochastic optimization. Both discrete and continuous parameter stochastic optimization are discussed, with emphasis on the analysis of convergence rate. Some future research directions for the area are also indicated.
openaire   +1 more source

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