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We consider the averaging principle for deterministic or stochastic systems with a fast stochastic component (family of continuous-time Markov chains depending on the state of the system as a parameter). We show that, due to bifurcations in…

概率论 · 数学 2020-02-25 Mark Freidlin , Leonid Koralov

The approximation of integral functionals with respect to a stationary Markov process by a Riemann-sum estimator is studied. Stationarity and the functional calculus of the infinitesimal generator of the process are used to get a better…

概率论 · 数学 2016-10-18 Randolf Altmeyer , Jakub Chorowski

The paper deals with the nonparametric estimation problem at a given fixed point for an autoregressive model with unknown distributed noise. Kernel estimate modifications are proposed. Asymptotic minimax and efficiency properties for…

统计理论 · 数学 2008-06-19 Ouerdia Arkoun , Serguei Pergamenchtchikov

In this paper, we apply the recently developed generalized parameter estimation-based observer design technique for state-affine systems to the practically important case of linear time-varying descriptor systems with uncertain parameters.…

系统与控制 · 电气工程与系统科学 2024-07-22 Romeo Ortega , Alexey Bobtsov , Fernando Castanos , Nikolay Nikolaev

Entropy estimation, due in part to its connection with mutual information, has seen considerable use in the study of time series data including causality detection and information flow. In many cases, the entropy is estimated using…

统计理论 · 数学 2019-08-06 Alexander L Young , David B Dunson

In this paper, we introduce a new approach for integrating score-based models with the Metropolis-Hastings algorithm. While traditional score-based diffusion models excel in accurately learning the score function from data points, they lack…

机器学习 · 计算机科学 2025-04-01 Ahmed Aloui , Ali Hasan , Juncheng Dong , Zihao Wu , Vahid Tarokh

We investigate the problem of joint statistical estimation of several parameters for a stochastic differential equation driven by an additive fractional Brownian motion. Based on discrete-time observations of the model, we construct an…

统计理论 · 数学 2024-06-10 El Mehdi Haress , Alexandre Richard

In this work, an adaptive predictive control scheme for linear systems with unknown parameters and bounded additive disturbances is proposed. In contrast to related adaptive control approaches that robustly consider the parametric…

系统与控制 · 电气工程与系统科学 2025-03-03 Johannes Teutsch , Christopher Narr , Sebastian Kerz , Dirk Wollherr , Marion Leibold

Constraint tightening to non-conservatively guarantee recursive feasibility and stability in Stochastic Model Predictive Control is addressed. Stability and feasibility requirements are considered separately, highlighting the difference…

系统与控制 · 计算机科学 2016-05-13 Matthias Lorenzen , Fabrizio Dabbene , Roberto Tempo , Frank Allgöwer

This paper proposes a new backtracking strategy based on the FISTA accelerated algorithm for multiobjective optimization problems. The strategy focuses on solving the problem of Lipschitz constant being unknown. It allows estimate parameter…

最优化与控制 · 数学 2024-12-31 Chengzhi Huang , Jian Chen , Liping Tang

This report introduces a parsimonious structure for mixture of autoregressive models, where the weighting coefficients are determined through latent random variables as functions of all past observations. These variables follow a hidden…

统计理论 · 数学 2011-05-17 S. H. Alizadeh , S. Rezakhah

This article deals with stochastic processes endowed with the Markov (memoryless) property and evolving over general (uncountable) state spaces. The models further depend on a non-deterministic quantity in the form of a control input, which…

系统与控制 · 计算机科学 2015-09-11 Sofie Haesaert , Robert Babuska , Alessandro Abate

We consider nonparametric estimation for functional autoregressive processes with Markov switching. First, we study the case where complete data is available; i.e. when we observe the Markov switching regime. Then we estimate the regression…

统计理论 · 数学 2017-04-25 Lisandro Fermín , Ricardo Ríos , Luis-Angel Rodríguez

We propose a moving horizon estimation scheme for joint state and parameter estimation for nonlinear uncertain discrete-time systems. We establish robust exponential convergence of the combined estimation error subject to process…

系统与控制 · 电气工程与系统科学 2023-12-25 Julian D. Schiller , Matthias A. Müller

This short note investigates convergence of adaptive MCMC algorithms, i.e.\ algorithms which modify the Markov chain update probabilities on the fly. We focus on the Containment condition introduced in \cite{roberts2007coupling}. We show…

统计计算 · 统计学 2013-12-31 Krzysztof Latuszynski , Jeffrey S. Rosenthal

Standard maximum likelihood or Bayesian approaches to parameter estimation for stochastic differential equations are not robust to perturbations in the continuous-in-time data. In this paper, we give a rather elementary explanation of this…

数值分析 · 数学 2023-12-20 Sebastian Reich

In healthcare applications, predictive uncertainty has been used to assess predictive accuracy. In this paper, we demonstrate that predictive uncertainty estimated by the current methods does not highly correlate with prediction error by…

机器学习 · 计算机科学 2021-07-08 Shi Hu , Nicola Pezzotti , Max Welling

We propose simple randomized strategies for sequential prediction under imperfect monitoring, that is, when the forecaster does not have access to the past outcomes but rather to a feedback signal. The proposed strategies are consistent in…

统计理论 · 数学 2008-01-07 Gabor Lugosi , Shie Mannor , Gilles Stoltz

We consider stochastic approximations which arise from such applications as data communications and image processing. We demonstrate why constraints are needed in a stochastic approximation and how a constrained approximation can be…

数值分析 · 数学 2015-09-01 Hong Jiang , Gang Huang , Paul Wilford , Liangkai Yu

In this paper, we present a method for the accurate estimation of the derivative (aka.~sensitivity) of expectations of functions involving an indicator function by combining a stochastic algorithmic differentiation and a regression. The…

计算金融 · 定量金融 2019-11-13 Christian P. Fries