13 papers · ranked by Valyu relevance
Rutinaldo Aguiar Nascimento, Álvaro Barroca Neto, Yuri Shalom de Freitas Bezerra, Hugo Alexandre Dantas do Nascimento + 3 more
'Yuri Shalom de Freitas Bezerra' 'Hugo Alexandre Dantas do Nascimento' 'Liacir dos Santos Lucena' 'Joaquim Elias de Freitas' 'Seyedali Mirjalili'] The FWI is formulated as a nonlinear optimization problem that traditionally uses local (derivative-based) minimization to find the scalar field of properties that best…
Liming Wei, Fengyang Zhang, Vedik Basetti
To accelerate energy efficiency improvement and green transition in industrial parks while addressing energy utilization and carbon reduction requirements, this study proposes a low-carbon economic dispatch model for integrated energy systems (IES) based on an enhanced multi-objective artificial hummingbird algorithm…
Kalpanarani K., Hannah Grace G.
Introduction In unsupervised learning, data clustering is essential. However, many current algorithms have issues like early convergence, inadequate local search capabilities, and trouble processing complicated or unbalanced input. Established methods like Kmeans are still widely used because of their ease of use…
Kirill Kukharenko, Laura Sanità
The simplex algorithm is one of the most popular algorithms to solve linear programs (LPs). Starting at an extreme point solution of an LP, it performs a sequence of basis exchanges (called pivots) that allows one to move to a better extreme point along an improving edge-direction of the underlying polyhedron. A key…
Hassan Musafer, Emre Tokgoz, Ausif Mahmood, Jingbo Wang
This article provides a new tool for examining the efficiency and robustness of derivative-free optimization algorithms based on high-dimensional normalized data profiles that test a variety of performance metrics. Unlike the traditional data profiles that examine a single dimension, the proposed data profiles require…
Anna Pietrenko-Dabrowska, Slawomir Koziel
Formal optimization is nowadays ubiquitous in microwave design. It is frequently conducted using electromagnetic (EM) simulations, which guarantee dependability. Yet, it is computationally expensive. Local tuning may involve hundreds of system analyses, whereas global EM-driven optimization typically generates…
Slawomir Koziel, Anna Pietrenko-Dabrowska
Design of modern antenna systems has become highly dependent on computational tools, especially full-wave electromagnetic (EM) simulation models. EM analysis is capable of yielding accurate representation of antenna characteristics at the expense of considerable evaluation time. Consequently, execution of…
Jan Schröder, Yair Censor, Philipp Süss, Karl-Heinz Küfer
Given a family of linear constraints and a linear objective function one can consider whether to apply a Linear Programming (LP) algorithm or use a Linear Superiorization (LinSup) algorithm on this data. In the LP methodology one aims at finding a point that fulfills the constraints and has the minimal value of the…
Joakim da Silva, Daniel Hernández Escobar, Tor Kjellsson Lindblom, Håkan Nordström + 1 more
As opposed to the ADMM method, the reference simplex method solves each problem corresponding to a weight vector sequentially, and the simplex times are thus expected to be linear in the number of weight vectors, as can be verified in Figure [mp70454-fig-0005]. This allows us to estimate the simplex run times for a…
Haoyu Cheng, Han Qu, Sean McKenzie, Katherine R. Lawrence + 4 more
Telomere-to-telomere (T2T) assembly is the ultimate goal for de novo genome assembly. Existing algorithms capable of near T2T assembly all require Oxford Nanopore Technologies (ONT) ultra-long reads which are costly and experimentally challenging to obtain and are thus often unavailable for samples without established…
Zhaoyang Wang, Xianghui Fu, Bo Deng, Yang Chen + 1 more
In algebraic topology, a k-dimensional simplex is defined as a convex polytope consisting of k + 1 vertices. If spatial dimensionality is not considered, it corresponds to the complete graph with k + 1 vertices in graph theory. The alternating sum of the number of simplices across dimensions yields a topological…
Woo-Jae Cho, Min-Seok Gang, Dong-Wook Kim, JooShin Kim + 2 more
'Dae-Hyun Jung' 'Hak-Jin Kim'] The maintenance of ion balance in closed hydroponic solutions is essential to improve the crop quality and recycling efficiency of nutrient solutions. However, the absence of robust ion sensors for key ions such as P and Mg and the coupling of ions in fertilizer salts render it difficult…
Dinghua Shi, Zhifeng Chen, Chuang Ma, Guanrong Chen
Topological data analysis can extract effective information from higher-dimensional data. Its mathematical basis is persistent homology. The persistent homology can calculate topological features at different spatiotemporal scales of the dataset, that is, establishing the integrated taxonomic relation among points…