Results 101 to 110 of about 14,405,507 (294)
The Generalized Hyperbolic Skew Student's t-Distribution
In this article we argue for a special case of the generalized hyperbolic (GH) family that we denote as the GH skew Student's t-distribution. This distribution has the important property that one tail has polynomial and the other exponential behavior ...
Kjersti Aas, Ingrid Hobaek Haff
core +1 more source
Wiener-Hopf solution for impenetrable wedges at skew incidence [PDF]
, 2006 A new Wiener-Hopf approach for the solution of impenetrable wedges at skew incidence is presented. Mathematical aspects are described in a unified and consistent theory for angular region problems.
V.G. Daniele +4 more
core +1 more source
Advanced Engineering Materials, EarlyView.This study applies machine learning regression to predict chromium layer thickness in decorative trivalent chromium electroplating, using 441 experiments from laboratory‐scale (1L) and pilot‐scale (14L) setups. Tree‐based models, particularly CatBoost, outperformed linear regression by capturing nonlinear parameter interactions (R2$R^2$ up to 0.77 ...
Christoph Baumer +4 more
wiley +1 more source
MathematicsThis study analyzes the volatility of Bitcoin using stochastic volatility models fitted to one-minute transaction data for the BTC/USDT pair between 1 April 2023, and 31 March 2024.
Makoto Nakakita +2 more
doaj +1 more source
Directional migration of recirculating lymphocytes through lymph nodes via random walks.
PLoS ONE, 2012 Naive T lymphocytes exhibit extensive antigen-independent recirculation between blood and lymph nodes, where they may encounter dendritic cells carrying cognate antigen.
Niclas Thomas +4 more
doaj +1 more source
Finite Mixtures of Canonical Fundamental Skew t-Distributions
, 2014 This is an extended version of the paper Lee and McLachlan (2014b) with simulations and applications added. This paper introduces a finite mixture of canonical fundamental skew t (CFUST) distributions for a model-based approach to clustering where the clusters are asymmetric and possibly long-tailed (Lee and McLachlan, 2014b).
Lee, Sharon X., McLachlan, Geoffrey J.
openaire +2 more sources
Mixtures of skew-t factor analyzers [PDF]
, 2013 A mixture of skew-t factor analyzers is introduced as well as a family of mixture models based thereon. The particular formulation of the skew-t distribution used arises as a special case of the generalized hyperbolic distribution.
Ryan P. Browne +5 more
core +1 more source
New AI‐Assisted Approach for Expanding the Solution Space: Application to Lattice Structure Design
Advanced Engineering Materials, EarlyView.This work introduces an innovative framework for designing structured materials by ex panding the design space through reparameterization of qualitative variables into continuous structural descriptors. Combined with machine‐learning‐based prediction and multi‐objective optimization, the approach enables the discovery of novel lattice architectures ...
G. H. Gahimbare +5 more
wiley +1 more source
Power Laws and Skew Distributions: An Application to Performance Royalty Income
, 2016 Royalty income derived from copyrighted song-titles is often highly skewed. This skewness, in which a relatively small number of songwriters earn relatively more royalty income than other members or affiliates in Performing Rights Organizations, is said ...
Pitt, Ivan L.
core
Advanced Engineering Materials, EarlyView.CT‐based finite element simulations combined with in situ X‐ray computed tomography are used to analyze insert pull‐out in nickel‐coated polymer foams. Despite variations in material parameters, deformation consistently concentrates within a narrow annular region around the insert.
Yannik Bautz +4 more
wiley +1 more source