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In this study, a novel machine learning algorithm, restricted Boltzmann machine (RBM), is introduced. The algorithm is applied for the spectral classification in astronomy. RBM is a bipartite generative graphical model with two separate…

机器学习 · 计算机科学 2013-10-15 Fuqiang Chen , Yan Wu , Yude Bu , Guodong Zhao

Sigma clipping is commonly used in astronomy for outlier rejection, but the number of standard deviations beyond which one should clip data from a sample ultimately depends on the size of the sample. Chauvenet rejection is one of the…

天体物理仪器与方法 · 物理学 2023-01-20 M. P. Maples , D. E. Reichart , N. C. Konz , T. A. Berger , A. S. Trotter , J. R. Martin , D. A. Dutton , M. L. Paggen , R. E. Joyner , C. P. Salemi

Backwards analysis, first popularized by Seidel, is often the simplest most elegant way of analyzing a randomized algorithm. It applies to incremental algorithms where elements are added incrementally, following some random permutation,…

数据结构与算法 · 计算机科学 2017-04-18 Mathias Bæk Tejs Knudsen , Mikkel Thorup

Consider an urn containing balls labeled with integer values. Define a discrete-time random process by drawing two balls, one at a time and with replacement, and noting the labels. Add a new ball labeled with the sum of the two drawn…

概率论 · 数学 2023-06-22 Mackenzie Simper

In 1933 von Neumann proved a beautiful result that one can approximate a point in the intersection of two convex sets by alternating projections, i.e., successively projecting on one set and then the other. This algorithm assumes that one…

最优化与控制 · 数学 2026-04-09 Gábor Braun , Sebastian Pokutta , Robert Weismantel

A classic result in algorithmic information theory is that every infinite binary sequence is computable from a Martin-Loef random infinite binary sequence. Proved independently by Kucera and Gacs, this result answered a question by Charles…

计算复杂性 · 计算机科学 2017-06-13 George Barmpalias , Andrew Lewis-Pye

This article applies the principle of Occam's Razor to non-parametric model building of statistical data, by finding a model with the minimal number of bits, leading to an exceptionally effective regularization method for probability…

机器学习 · 统计学 2020-06-18 Peter Kövesarki

This article presents an efficient algorithm to generate a discrete uniform distribution on a set of $p$ elements using a biased random source for $p$ prime. The algorithm generalizes Von Neumann's method and improves computational…

概率论 · 数学 2023-01-18 Xiaoyu Lei

Von Neumann entropy (VNE) is a fundamental quantity in quantum information theory and has recently been adopted in machine learning as a spectral measure of diversity for kernel matrices and kernel covariance operators. While maximizing VNE…

机器学习 · 计算机科学 2026-02-03 Youqi Wu , Farzan Farnia

We propose a coupled rejection-sampling method for sampling from couplings of arbitrary distributions. The method relies on accepting or rejecting coupled samples coming from dominating marginals. Contrary to existing acceptance-rejection…

统计方法学 · 统计学 2022-03-11 Adrien Corenflos , Simo Särkkä

Capacity is an important tool in decision-making under risk and uncertainty and multi-criteria decision-making. When learning a capacity-based model, it is important to be able to generate uniformly a capacity. Due to the monotonicity…

离散数学 · 计算机科学 2023-05-24 Peiqi Sun , Michel Grabisch , Christophe Labreuche

The majority of Quantum Random Number Generators (QRNG) are designed as converters of a continuous quantum random variable into a discrete classical random bit value. For the resulting random bit sequence to be minimally biased, the…

量子物理 · 物理学 2014-04-25 Pavel Lougovski , Raphael Pooser

For several decades, RANSAC has been one of the most commonly used robust estimation algorithms for many problems in computer vision and related fields. The main contribution of this paper lies in addressing a long-standing error baked into…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Johannes Schönberger , Viktor Larsson , Marc Pollefeys

The Random Batch Method (RBM) [S. Jin, L. Li and J.-G. Liu, Random Batch Methods (RBM) for interacting particle systems, J. Comput. Phys. 400 (2020) 108877] is not only an efficient algorithm for simulating interacting particle systems, but…

数值分析 · 数学 2025-10-30 Shi Jin , Yuelin Wang , Yuliang Wang

The Ziggurat method is an efficient rejection sampling technique for generating one-dimensional normally distributed random numbers. This study proposes the pattern block method, a generalization of the Ziggurat method. The pattern block…

概率论 · 数学 2026-03-25 Kensuke Ishitani

Quantum random number generators are becoming mandatory in a demanding technology world of high performing learning algorithms and security guidelines. Our implementation based on principles of quantum mechanics enable us to achieve the…

量子物理 · 物理学 2021-07-19 Anindita Banerjee , Deepika Aggarwal , Ankush Sharma , Ganesh Yadav

Most current sampling algorithms for high-dimensional distributions are based on MCMC techniques and are approximate in the sense that they are valid only asymptotically. Rejection sampling, on the other hand, produces valid samples, but is…

人工智能 · 计算机科学 2012-07-04 Marc Dymetman , Guillaume Bouchard , Simon Carter

The $k$-$\mathtt{means}$++ seeding algorithm (Arthur & Vassilvitskii, 2007) is widely used in practice for the $k$-means clustering problem where the goal is to cluster a dataset $\mathcal{X} \subset \mathbb{R} ^d$ into $k$ clusters. The…

数据结构与算法 · 计算机科学 2025-02-05 Poojan Shah , Shashwat Agrawal , Ragesh Jaiswal

We propose and demonstrate a technique for quantum random number generation based on the random population of the output spatial modes of a beam splitter when both inputs are simultaneously fed with indistinguishable weak coherent states.…

Generalized Friedman urn is one of the simplest and most useful models considered in probability theory. Since Athreya and Ney (1972) showed the almost sure convergence of urn proportions in a randomized urn model with irreducible…

概率论 · 数学 2022-04-12 Li-Xin Zhang