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Up to now, many modulation techniques have been proposed for neutral point clamped (NPC) inverters. In this paper, for the first time, a general methodology is applied to calculate and compare the failure analysis and reliability of NPC…

系统与控制 · 电气工程与系统科学 2019-10-09 Masoud Farhadi , Mehdi Abapour , Mehran Sabahi

Despite the popularity of the two-tower model for unbiased learning to rank (ULTR) tasks, recent work suggests that it suffers from a major limitation that could lead to its collapse in industry applications: the problem of logging policy…

信息检索 · 计算机科学 2024-09-19 Morris de Haan , Philipp Hager

Inexact Newton Methods are widely used to solve systems of nonlinear equations. The convergence of these methods is controlled by the relative linear tolerance, $\eta_\nu$, that is also called the forcing term. A very small $\eta_\nu$ may…

数值分析 · 数学 2019-12-16 Soham Sheth , Arthur Moncorgé

We consider Lie and Strang splitting for the time integration of constrained partial differential equations with a nonlinear reaction term. Since such systems are known to be sensitive with respect to perturbations, the splitting procedure…

数值分析 · 数学 2016-07-27 Robert Altmann , Alexander Ostermann

The Semi-Implicit Root solver (SIR) is an iterative method for globally convergent solution of systems of nonlinear equations. Since publication, SIR has proven robustness for a great variety of problems. We here present MATLAB and MAPLE…

计算物理 · 物理学 2017-04-14 Jan Scheffel , Kristoffer Lindvall

The reconstruction of particle trajectories is a key challenge of particle physics experiments, as it directly impacts particle identification and physics performances while also representing one of the main CPU consumers of many…

高能物理 - 实验 · 物理学 2023-12-11 Corentin Allaire , Françoise Bouvet , Hadrien Grasland , David Rousseau

In this paper we accomplish the development of the fast rank-adaptive solver for tensor-structured symmetric positive definite linear systems in higher dimensions. In [arXiv:1301.6068] this problem is approached by alternating minimization…

数值分析 · 数学 2014-10-07 Sergey V. Dolgov , Dmitry V. Savostyanov

We study the complexity of inverse cellular automata on configurations of bounded size. Deciding injectivity in this setting is co-NP-complete by a theorem of Durand. We give a simpler proof of this theorem by a direct reduction from UNSAT…

逻辑 · 数学 2026-04-02 Maryia Kapytka

This paper studies a low-communication algorithm for solving elliptic partial differential equations (PDE's) on high-performance machines, the nested iteration with range decomposition algorithm (NIRD). Previous work has shown that NIRD…

数值分析 · 数学 2019-06-26 Wayne Mitchell , Tom Manteuffel

The Capacitated Vehicle Routing Problem is a well-known NP-hard problem that poses the challenge of finding the optimal route of a vehicle delivering products to multiple locations. Recently, new efforts have emerged to create constructive…

This paper presents a framework to solve constrained optimization problems in an accelerated manner based on High-Order Tuners (HT). Our approach is based on reformulating the original constrained problem as the unconstrained optimization…

最优化与控制 · 数学 2022-05-27 Anjali Parashar , Priyank Srivastava , Anuradha M. Annaswamy

Inference algorithms based on evolving interactions between replicated solutions are introduced and analyzed on a prototypical NP-hard problem - the capacity of the binary Ising perceptron. The efficiency of the algorithm is examined…

无序系统与神经网络 · 物理学 2015-06-15 Roberto C. Alamino , Juan P. Neirotti , David Saad

Neural Processing Units (NPUs) are key to enabling efficient AI inference in resource-constrained edge environments. While peak tera operations per second (TOPS) is often used to gauge performance, it poorly reflects real-world performance…

硬件体系结构 · 计算机科学 2025-09-19 Lennart Bamberg , Filippo Minnella , Roberto Bosio , Fabrizio Ottati , Yuebin Wang , Jongmin Lee , Luciano Lavagno , Adam Fuks

Mixed integer sets have a strong modeling capacity to describe practical systems. Nevertheless, incorporating a mixed integer set often renders an optimization formulation drastically more challenging to compute. In this paper, we study how…

最优化与控制 · 数学 2023-12-22 Wei Wang , Bo Zeng

A linear inverse problem is proposed that requires the determination of multiple unknown signal vectors. Each unknown vector passes through a different system matrix and the results are added to yield a single observation vector. Given the…

数值分析 · 计算机科学 2010-09-03 Adam C. Zelinski , Vivek K Goyal , Elfar Adalsteinsson

We present two new adaptive quadrature routines. Both routines differ from previously published algorithms in many aspects, most significantly in how they represent the integrand, how they treat non-numerical values of the integrand, how…

数值分析 · 计算机科学 2010-11-09 Pedro Gonnet

Answer Set Programming (ASP) is a well-established declarative paradigm. One of the successes of ASP is the availability of efficient systems. State-of-the-art systems are based on the ground+solve approach. In some applications this…

人工智能 · 计算机科学 2018-02-01 Bernardo Cuteri , Carmine Dodaro , Francesco Ricca , Peter Schüller

Previous methods decompose the blind super-resolution (SR) problem into two sequential steps: \textit{i}) estimating the blur kernel from given low-resolution (LR) image and \textit{ii}) restoring the SR image based on the estimated kernel.…

计算机视觉与模式识别 · 计算机科学 2021-05-17 Zhengxiong Luo , Yan Huang , Shang Li , Liang Wang , Tieniu Tan

In this paper we prove lower bounds for sizes of refutations of unsatisfiable vector Subset Sum instances $\overrightarrow{a}_1 x_1 + \dots + \overrightarrow{a}_n x_n = \overrightarrow{b}$ in the proof system Res(lin$_{\mathbb{F}_q}$) where…

计算复杂性 · 计算机科学 2026-04-23 Fedor Part

Adversarial attacks involve adding, small, often imperceptible, perturbations to inputs with the goal of getting a machine learning model to misclassifying them. While many different adversarial attack strategies have been proposed on image…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Avishek Joey Bose , Parham Aarabi