نتایج جستجو برای: the average centroid matrix

تعداد نتایج: 16101725  

Journal: :Abstract and Applied Analysis 2013

Journal: :Advances in Applied Mathematics 2012

Journal: :Advances in Pure Mathematics 2013

Journal: :MATHEMATICA SCANDINAVICA 1988

2018
Yusuke Sakumoto Tsukasa Kameyama Chisa Takano Masaki Aida

Spectral graph theory gives an algebraical approach to analyze the dynamics of a network by using the matrix that represents the network structure. However, it is not easy for social networks to apply the spectral graph theory because the matrix elements cannot be given exactly to represent the structure of a social network. The matrix element should be set on the basis of the relationship betw...

Journal: :تحقیقات جغرافیایی 0
سید ابوالفضل مسعودیان سید ابوالفضل مسعودیان ناهید آتشی

in this research the daily data of 69 climatic variables (wind direction, wind speed, dry temperature, wet temperature, maximum and minimum temperature, average daily temperature, precipitation, relative humidity, station level pressure, cloudiness, horizontal visibility, vapor pressure, …) of abumoosa synoptic station during the years 1362-1388 were studied. initially, a data base of variabl...

Journal: :Theoretical and Applied Climatology 2021

Although Borneo Island is one of the most vulnerable tropical regions to climate change, maps depicting local conditions employing classification are still not well defined. The present study attempted regional divide region into several homogenous groups based on long-term average behavior. Daily gridded rainfall and temperature (Tavg, Tmax, Tmin) data at 0.25° resolution spanning 56 years (19...

Journal: :Jurnal Riset Informatika 2023

This study is focused on determining the health status of each district/city in Java using K-means Binary Search Centroid and Dynamic Kmeans algorithms. The research data uses profile Island 2020. Comparative algorithms were tested Davies Bound Index Calinski-Harabasz methods traditional k-means algorithm dynamic binary search centroid k-means. Based test, 5 clusters found distribution area, in...

سلیمان نژاد, ژانت , نظرنیا, اسفندیار ,

The polymeric compound, {(C10H9N2)[Mn(C7H3NO4)2].­(C10H8N2).6H2O}n, was prepared by the reaction of manganese (II) nitrate with pyridine-2,3-dicarboxylic acid, (py-2,3-dcH2) and 4,4'-bipyridine (4,4'-bipy) in a 1:2:4 molar ratio. The crystal system of the complex is monoclinic with space group P21/n and four molecules per unit cell. The unit cell parameters are: a = 22.2099(15) Å, b = 6.6599(4)...

Journal: :Chinese Journal of Systems Engineering and Electronics 2022

For localisation of unknown non-cooperative targets in space, the existence interference points causes inaccuracy pose estimation while utilizing point cloud registration. To address this issue, paper proposes a new iterative closest (ICP) algorithm combined with distributed weights to intensify dependability and robustness target localisation. As space have not yet been extensively studied, we...

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