中文
相关论文

相关论文: An efficient scheme to optimize the superconductin…

200 篇论文

Recently, learning to hash has been widely studied for image retrieval thanks to the computation and storage efficiency of binary codes. For most existing learning to hash methods, sufficient training images are required and used to learn…

信息检索 · 计算机科学 2019-03-04 Ji Liu , Lei Zhang

For big data analysis, high computational cost for Bayesian methods often limits their applications in practice. In recent years, there have been many attempts to improve computational efficiency of Bayesian inference. Here we propose an…

统计计算 · 统计学 2017-04-19 Cheng Zhang , Babak Shahbaba , Hongkai Zhao

Large language models (LLMs) can memorize and reproduce training sequences verbatim -- a tendency that undermines both generalization and privacy. Existing mitigation methods apply interventions uniformly, degrading performance on the…

机器学习 · 计算机科学 2026-02-10 Xuanqi Zhang , Haoyang Shang , Xiaoxiao Li

We propose a splitting Hamiltonian Monte Carlo (SHMC) algorithm, which can be computationally efficient when combined with the random mini-batch strategy. By splitting the potential energy into numerically nonstiff and stiff parts, one…

数值分析 · 数学 2022-06-23 Lei Li , Lin Liu , Yuzhou Peng

Natural policy gradient (NPG) and its variants are widely-used policy search methods in reinforcement learning. Inspired by prior work, a new NPG variant coined NPG-HM is developed in this paper, which utilizes the Hessian-aided momentum…

机器学习 · 计算机科学 2024-01-23 Jie Feng , Ke Wei , Jinchi Chen

Agile autonomous drones are becoming increasingly popular in research due to the challenges they represent in fields like control, state estimation, or perception at high speeds. When all algorithms are computed onboard the uav, the…

机器人学 · 计算机科学 2023-05-08 Miguel Fernandez-Cortizas , David Perez-Saura , Javier Rodriguez-Vazquez , Pascual Campoy

Since the adoption of large language models (LLMs) for text evaluation has become increasingly prevalent in the field of natural language processing (NLP), a series of existing works attempt to optimize the prompts for LLM evaluators to…

计算与语言 · 计算机科学 2025-06-03 Bosi Wen , Pei Ke , Yufei Sun , Cunxiang Wang , Xiaotao Gu , Jinfeng Zhou , Jie Tang , Hongning Wang , Minlie Huang

This paper provides experimental experiences on two local search hybridized genetic algorithms in solving the uncapacitated examination timetabling problem. The proposed two hybrid algorithms use partition and priority based solution…

神经与进化计算 · 计算机科学 2023-06-02 Ayse Aslan

Optimization algorithms are widely employed to tackle complex problems, but designing them manually is often labor-intensive and requires significant expertise. Global placement is a fundamental step in electronic design automation (EDA).…

神经与进化计算 · 计算机科学 2025-04-28 Xufeng Yao , Jiaxi Jiang , Yuxuan Zhao , Peiyu Liao , Yibo Lin , Bei Yu

The Strong Lottery Ticket Hypothesis (SLTH) demonstrates the existence of high-performing subnetworks within a randomly initialized model, discoverable through pruning a convolutional neural network (CNN) without any weight training. A…

LLMs are seeing widespread use for task automation, including automated coding in the social sciences. However, even though researchers have proposed different prompting strategies, their effectiveness varies across LLMs and tasks. Often…

计算与语言 · 计算机科学 2025-07-30 Andreas Reich , Claudia Thoms , Tobias Schrimpf

This paper studies optimal motion planning subject to motion and environment uncertainties. By modeling the system as a probabilistic labeled Markov decision process (PL-MDP), the control objective is to synthesize a finite-memory policy,…

机器人学 · 计算机科学 2022-01-03 Mingyu Cai , Shaoping Xiao , Zhijun Li , Zhen Kan

Minimizing wire-lengths is one of the most important objectives in circuit design. The process involves initially placing the logical units (cells) of a circuit onto a physical layout, and subsequently routing the wires to connect the…

分布式、并行与集群计算 · 计算机科学 2023-10-02 Tobias Heuer

Genetic algorithm (GA) is a stochastic metaheuristic process consisting on the evolution of a population of candidate solutions for a given optimization problem. By extension, multipopulation genetic algorithm (MPGA) aims for efficiency by…

神经与进化计算 · 计算机科学 2018-06-07 Bruno Messias , Bruno W. D. Morais

We present PHLEGETHON, a fully compressible, Eulerian magnetohydrodynamic (MHD) code designed for multidimensional simulations in stellar astrophysics. The code uses a time-explicit, second-order, finite-volume method optimized to model a…

The hyperclimbing hypothesis is a hypothetical explanation for adaptation in genetic algorithms with uniform crossover (UGAs). Hyperclimbing is an intuitive, general-purpose, non-local search heuristic applicable to discrete product spaces…

神经与进化计算 · 计算机科学 2013-07-16 Keki M. Burjorjee

The optimized stellarator is an attractive concept for which the averaged particle radial drift is zero, and the single particle loss can be significantly reduced. But for the reactor design, global physics such as turbulent transport also…

等离子体物理 · 物理学 2026-05-05 Xishuo Wei , Handi Huang , Haotian Chen , Hongxuan Zhu , Zhe Bai , Samuel Williams , Zhihong Lin

We describe here an efficient machine-learning based approach for the optimization of parameters used for extracting the arrival time of waveforms, in particular those generated by the detection of 511 keV annihilation gamma-rays by a 60…

仪器与探测器 · 物理学 2020-04-02 R. W. Gladen , V. A. Chirayath , A. J. Fairchild , M. T. Manry , A. R. Koymen , A. H. Weiss

This paper proposes a novel and efficient optimization-based method for generating near time-optimal trajectories for holonomic vehicles navigating through complex but structured environments. The approach aims to solve the problem of…

最优化与控制 · 数学 2026-02-04 Louis Callens , Bastiaan Vandewal , Ibrahim Ibrahim , Jan Swevers , Wilm Decré

Hamiltonian Monte Carlo (HMC) is a widely used sampler for continuous probability distributions. In many cases, the underlying Hamiltonian dynamics exhibit a phenomenon of resonance which decreases the efficiency of the algorithm and makes…

统计计算 · 统计学 2023-02-23 Lionel Riou-Durand , Pavel Sountsov , Jure Vogrinc , Charles C. Margossian , Sam Power