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In this paper, we address the well-known challenge in the numerical solution of time-fractional partial differential equations (TFPDEs), namely, that the dependence on all previous time levels leads to storage requirements that grow…

Numerical Analysis · Mathematics 2026-04-23 Jichun Li , Yangpeng Zhang , Yangwen Zhang

In this work, we develop efficient solvers for linear inverse problems based on randomized singular value decomposition (RSVD). This is achieved by combining RSVD with classical regularization methods, e.g., truncated singular value…

Numerical Analysis · Mathematics 2019-09-05 Kazufumi Ito , Bangti Jin

We introduce a Python open-source library for $\mathcal{X}$-armed bandit and online blackbox optimization named PyXAB. PyXAB contains the implementations for more than 10 $\mathcal{X}$-armed bandit algorithms, such as HOO, StoSOO, HCT, and…

Machine Learning · Statistics 2023-03-08 Wenjie Li , Haoze Li , Jean Honorio , Qifan Song

Simulations of large scale dynamical systems in multi-query or real-time contexts require efficient surrogate modelling techniques, as e.g. achieved via Model Order Reduction (MOR). Recently, symplectic methods like the complex singular…

Numerical Analysis · Mathematics 2023-03-08 Robin Herkert , Patrick Buchfink , Bernard Haasdonk , Johannes Rettberg , Jörg Fehr

This paper presents the philosophy, design and feature-set of Neural Network Distiller, an open-source Python package for DNN compression research. Distiller is a library of DNN compression algorithms implementations, with tools, tutorials…

Machine Learning · Computer Science 2019-10-29 Neta Zmora , Guy Jacob , Lev Zlotnik , Bar Elharar , Gal Novik

PySensors is a Python package for selecting and placing a sparse set of sensors for classification and reconstruction tasks. Specifically, PySensors implements algorithms for data-driven sparse sensor placement optimization for…

Signal Processing · Electrical Eng. & Systems 2021-03-01 Brian M. de Silva , Krithika Manohar , Emily Clark , Bingni W. Brunton , Steven L. Brunton , J. Nathan Kutz

We introduce pygrank, an open source Python package to define, run and evaluate node ranking algorithms. We provide object-oriented and extensively unit-tested algorithm components, such as graph filters, post-processors, measures,…

Machine Learning · Computer Science 2021-10-19 Emmanouil Krasanakis , Symeon Papadopoulos , Ioannis Kompatsiaris , Andreas Symeonidis

The feasibility of existing data stream algorithms is often hindered by the weakly supervised condition of data streams. A self-evolving deep neural network, namely Parsimonious Network (ParsNet), is proposed as a solution to various…

Machine Learning · Computer Science 2020-08-25 Mahardhika Pratama , Andri Ashfahani , Mohamad Abdul Hady

Singular-Value Decomposition (SVD) is a ubiquitous data analysis method in engineering, science, and statistics. Singular-value estimation, in particular, is of critical importance in an array of engineering applications, such as channel…

Signal Processing · Electrical Eng. & Systems 2022-10-24 Duc Le , Panos P. Markopoulos

This article applies low-cost singular value decomposition (lcSVD) for the first time, to the authors knowledge, on combustion reactive flow databases. The lcSVD algorithm is a novel approach to SVD, suitable for calculating high-resolution…

Fluid Dynamics · Physics 2025-04-01 Prajith Pillai , Ashton Hetherington , Laura Saavedra Sago , Soledad Le Clainche

Singular Value Decomposition (SVD) has recently seen a surge of interest as a simple yet powerful tool for large language models (LLMs) compression, with a growing number of works demonstrating 20-80% parameter reductions at minimal…

Machine Learning · Computer Science 2025-08-05 Zishan Shao , Yixiao Wang , Qinsi Wang , Ting Jiang , Zhixu Du , Hancheng Ye , Danyang Zhuo , Yiran Chen , Hai Li

Singular Value Decomposition (SVD) is a well studied research topic in many fields and applications from data mining to image processing. Data arising from these applications can be represented as a matrix where it is large and sparse. Most…

Machine Learning · Computer Science 2020-09-22 Resul Tugay , Sule Gunduz Oguducu

Online blind source separation is essential for both speech communication and human-machine interaction. Among existing approaches, overdetermined independent vector analysis (OverIVA) delivers strong performance by exploiting the…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Kang Chen , Xianrui Wang , Yichen Yang , Andreas Brendel , Gongping Huang , Zbyněk Koldovský , Jingdong Chen , Jacob Benesty , Shoji Makino

We propose a new fast streaming algorithm for the tensor completion problem of imputing missing entries of a low-tubal-rank tensor using the tensor singular value decomposition (t-SVD) algebraic framework. We show the t-SVD is a…

Signal Processing · Electrical Eng. & Systems 2022-04-18 Kyle Gilman , Davoud Ataee Tarzanagh , Laura Balzano

We consider $N$-way data arrays and low-rank tensor factorizations where the time mode is coded as a sparse linear combination of temporal elements from an over-complete library. Our method, Shape Constrained Tensor Decomposition (SCTD) is…

Machine Learning · Statistics 2016-08-17 Bethany Lusch , Eric C. Chi , J. Nathan Kutz

A key step in reverse engineering neural networks is to decompose them into simpler parts that can be studied in relative isolation. Linear parameter decomposition -- a framework that has been proposed to resolve several issues with current…

Machine Learning · Computer Science 2025-09-05 Lucius Bushnaq , Dan Braun , Lee Sharkey

We introduce PyChEst, a Python package which provides tools for the simultaneous estimation of multiple changepoints in the distribution of piece-wise stationary time series. The nonparametric algorithms implemented are provably consistent…

Computation · Statistics 2021-12-21 Azadeh Khaleghi , Lukas Zierahn

The need to efficiently calculate first- and higher-order derivatives of increasingly complex models expressed in Python has stressed or exceeded the capabilities of available tools. In this work, we explore techniques from the field of…

Machine Learning · Computer Science 2018-09-27 Bart van Merriënboer , Dan Moldovan , Alexander B Wiltschko

SocialED is a comprehensive, open-source Python library designed to support social event detection (SED) tasks, integrating 19 detection algorithms and 14 diverse datasets. It provides a unified API with detailed documentation, offering…

Machine Learning · Computer Science 2024-12-19 Kun Zhang , Xiaoyan Yu , Pu Li , Hao Peng , Philip S. Yu

This paper introduces PyGAD, an open-source easy-to-use Python library for building the genetic algorithm. PyGAD supports a wide range of parameters to give the user control over everything in its life cycle. This includes, but is not…

Neural and Evolutionary Computing · Computer Science 2021-06-14 Ahmed Fawzy Gad
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