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Št. zadetkov: 6
Spacing ratios in mixed-type systems
Hua Yan
Izvirni znanstveni članek
Oznake: level-spacing ratios;mixed-type systems;distribution of spacing ratios;paradigmatic models;
The distribution of the consecutive level-spacing ratio is now widely used as a tool to distinguish integrable from chaotic quantum spectra, mostly due to its avoidance of the numerical spectral unfolding. Like the use of the Rosenzweig-Porter approach to obtain the Berry-Robnik distribution of leve ...
Leto: 2025 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
Dirichlet Aggregation: Unsupervised Learning towards an Optimal Metric for Proportional Data
Hua-Yan Wang
Video in druga učna gradiva
Oznake: computer science;machine learning;unsupervised learning;bayesian learning;dirichlet processes
Proportional data (normalized histograms) have been frequently occurring in various areas, and they could be mathematically abstracted as points residing in a geometric simplex. A proper distance metric on this simplex is of importance in many applications including classification and information re ...
Leto: 2007 Vir: videolectures.net
Adaptive p-Posterior Mixture-Model Kernels for Multiple Instance Learning
Hua-Yan Wang
Video in druga učna gradiva
Oznake: computer science;machine learning;kernel methods
In multiple instance learning (MIL), how the instances determine the bag-labels is an essential issue, both algorithmically and intrinsically. In this paper, we show that the mechanism of how the instances determine the bag-labels is different for different application domains, and does not necessar ...
Leto: 2008 Vir: videolectures.net
Dirichlet Component Analysis: Feature Extraction for Compositional Data
Hua-Yan Wang
Video in druga učna gradiva
Oznake: computer science;machine learning;principal component analysis;bayesian learning;dirichlet processes
We consider feature extraction (dimensionality reduction) for compositional data, where the data vectors are constrained to be positive and constant-sum. In real-world problems, the data components (variables) usually have complicated "correlations" while their total number is huge. Such scenario de ...
Leto: 2008 Vir: videolectures.net
Data correction of temperature and water vapor measurements using the combined lateral scanning Raman scattering lidar and backward Raman scattering lidar
Fan Yang, Fei Gao, Liangliang Qi, Shun Li, Dengxin Hua, Qing Yan, Song Yuehui, Meng Wang, Samo Stanič
Izvirni znanstveni članek
Oznake: lateral scanning Raman lidar;temperature vapor measurements;water vapor measurements;data correction;
A combined lateral scanning Raman scattering lidar (LSRSL) and backward Raman scattering lidar (BWRSL) is built in Xi’an, which can achieve accurate measurements of atmospheric temperature and water vapor from the ground to the concerned height. In this paper, we report a method to correct the atmos ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Low-temperature heat capacities and thermodynamic properties of crystalline 2-aminopyridinium benzoate (C12H12N2O2) (s)
Dong-Hua He, You-Ying Di, Wen-Yan Dan, Yu-Pu Liu, Da-Qi Wang
Izvirni znanstveni članek
Oznake: organska sinteza;aminopiridinijev benzoat;rentgenska analiza;termodinamiče lastnosti;toplotna kapaciteta;entalpija;
Leto: 2010 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 6
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