Results 21 to 30 of about 130,251 (258)

Output-sensitive algorithm for the edge-width of an embedded graph [PDF]

open access: yesProceedings of the twenty-sixth annual symposium on Computational geometry, 2010
Let G be an unweighted graph of complexity n cellularly embedded in a surface (orientable or not) of genus g. We describe improved algorithms to compute (the length of) a shortest non-contractible and a shortest non-separating cycle of G. If k is an integer, we can compute such a non-trivial cycle with length at most k in O(gnk) time, or correctly ...
Sergio Cabello   +2 more
openaire   +1 more source

Power Plant Energy Predictions Based on Thermal Factors Using Ridge and Support Vector Regressor Algorithms

open access: yesEnergies, 2021
This work aims to model the combined cycle power plant (CCPP) using different algorithms. The algorithms used are Ridge, Linear regressor (LR), and upport vector regressor (SVR).
Asif Afzal   +4 more
doaj   +1 more source

Output-sensitive algorithms for Tukey depth and related problems [PDF]

open access: yesStatistics and Computing, 2008
The Tukey depth (Proceedings of the International Congress of Mathematicians, vol. 2, pp. 523---531, 1975) of a point p with respect to a finite set S of points is the minimum number of elements of S contained in any closed halfspace that contains p. Algorithms for computing the Tukey depth of a point in various dimensions are considered.
David Bremner   +4 more
openaire   +2 more sources

Research on Directed Clique Enumeration with Strongly Connected Constraint [PDF]

open access: yesJisuanji kexue yu tansuo
Directed edges in a directed graph can represent the direction of relationships or the transmission of data. Introducing connectivity constraints in the mining of dense subgraphs can enhance the connections between vertices. Accordingly, by combining the
CHEN Jiujian, DAI Qiangqiang, LI Ronghua, WANG Guoren
doaj   +1 more source

An output-sensitive algorithm for computing projections of resultant polytopes [PDF]

open access: yesProceedings of the twenty-eighth annual symposium on Computational geometry, 2012
We develop an incremental algorithm to compute the Newton polytope of the resultant, aka resultant polytope, or its projection along a given direction. The resultant is fundamental in algebraic elimination and in implicitization of parametric hypersurfaces.
Ioannis Z. Emiris   +3 more
openaire   +1 more source

Design of adaptive matching true random number generator based on thermal noise

open access: yesDianzi Jishu Yingyong, 2018
After studying on the thermal noise model and the matching mechanism of sensitive amplifier, an adaptively matching True Random Number Generator(TRNG) design is proposed.
Li Zhen, Wang Pengjun, Cheng Xu, Li Gang
doaj   +1 more source

Incremental Convex Hull Algorithms Are Not Output Sensitive [PDF]

open access: yesDiscrete & Computational Geometry, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Fault Detection of UHV Converter Valve Based on Optimized Cost-Sensitive Extreme Random Forest

open access: yesEnergies, 2022
Aiming at the problem of unbalanced data categories of UHV converter valve fault data, a method for UHV converter valve fault detection based on optimization cost-sensitive extreme random forest is proposed.
Fuqiang Xiong   +5 more
doaj   +1 more source

AN ORACLE-BASED, OUTPUT-SENSITIVE ALGORITHM FOR PROJECTIONS OF RESULTANT POLYTOPES [PDF]

open access: yesInternational Journal of Computational Geometry & Applications, 2013
We design an algorithm to compute the Newton polytope of the resultant, known as resultant polytope, or its orthogonal projection along a given direction. The resultant is fundamental in algebraic elimination, optimization, and geometric modeling. Our algorithm exactly computes vertex- and halfspace-representations of the polytope using an oracle ...
Ioannis Z. Emiris   +3 more
openaire   +3 more sources

Developed AC/DC/AC Converter Structure Based on Shunt Active Filter and Advanced Modulation Approach for Asymmetrical Cascade H-Bridge Multilevel Inverters

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2023
This article presents a free-harmonic ac/dc/ac converter structure using a novel modulation approach for asymmetrical cascade H-bridge multilevel inverter and, conventional rectifiers combined with a shunt active filter, for grid ...
Nabil Karania   +3 more
doaj   +1 more source

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