Results 11 to 20 of about 5,758,272 (311)

Learned harmonic mean estimation of the Bayesian evidence with normalizing flows

open access: yesThe Open Journal of Astrophysics
We present the learned harmonic mean estimator with normalizing flows - a robust, scalable and flexible estimator of the Bayesian evidence for model comparison.
Alicja Polanska   +4 more
doaj   +2 more sources

On the matrix harmonic mean. [PDF]

open access: yesJournal of Mathematical Inequalities, 2018
The main goal of this article is to present new types of inequalities refining and reversing inequalities of the harmonic mean of scalars and matrices.
Mohammad Sababheh
semanticscholar   +4 more sources

Harmonic Mean Linear Discriminant Analysis

open access: yesIEEE Transactions on Knowledge and Data Engineering, 2019
In machine learning and data mining, dimensionality reduction is one of the main tasks. Linear Discriminant Analysis (LDA) is a widely used supervised dimensionality reduction algorithm and it has attracted a lot of research interests.
Shuai Zheng, C. Ding, F. Nie, Heng Huang
semanticscholar   +2 more sources

Learned Harmonic Mean Estimation of the Marginal Likelihood with Normalizing Flows [PDF]

open access: yesThe 42nd International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering, 2023
Computing the marginal likelihood (also called the Bayesian model evidence) is an important task in Bayesian model selection, providing a principled quantitative way to compare models.
Alicja Polanska   +3 more
semanticscholar   +1 more source

The harmonic mean formula for random processes [PDF]

open access: yesStochastic Analysis and Applications, 2021
Motivated by the classical harmonic mean formula, estabished by Aldous in 1989, we investigate the relation between the sojourn time and supremum of a random process and extend the harmonic mean formula for general stochastically continuous X. We discuss
Krzysztof Bisewski   +2 more
semanticscholar   +1 more source

An asymptotic expansion for the fractional $p$-Laplacian and for gradient dependent nonlocal operators [PDF]

open access: yes, 2021
Mean value formulas are of great importance in the theory of partial differential equations: many very useful results are drawn, for instance, from the well known equivalence between harmonic functions and mean value properties.
Bucur, Claudia, Squassina, Marco
core   +2 more sources

Penerapan Metode Harmonic Mean Filter Dalam Mereduksi Gaussian Noise Pada Citra Digital

open access: yesJurnal Nasional Komputasi dan Teknologi Informasi (JNKTI), 2022
Abstrak - Pada penelitian ini, noise dibangkitkan dengan menggunakan tools matlab dan dilakukan analisa. oleh karena itu, untuk mereduksi derau (noise) perlu dilakukan suatu proses perbaikan kualitas citra terhadap citra yang mengalami derau atau noise ...
Dhea Agusti, A. A. Nababan
semanticscholar   +1 more source

A harmonic mean inequality for the q-gamma and q-digamma functions [PDF]

open access: yesFilomat, 2020
We prove among others results that the harmonic mean of ?q(x) and ?q(1/x) is greater than or equal to 1 for arbitrary x > 0, and q ? J where J is a subset of [0,+?). Also, we prove that there is a unique real number p0 ? (1, 9/2), such that for q ? (0,
M. Bouali
semanticscholar   +1 more source

Fractional modeling of COVID-19 epidemic model with harmonic mean type incidence rate

open access: yesOpen Physics, 2021
Coronavirus disease 2019 (COVID-19) is a disease caused by severe acute respiratory syndrome coronavirus 2 (SARS CoV-2). It was declared on March 11, 2020, by the World Health Organization as a pandemic disease.
Sowwanee Jitsinchayakul   +6 more
semanticscholar   +1 more source

Mean Daily Temperature Estimations and the Impact on Climatological Applications

open access: yesEnvironmental Sciences Proceedings, 2023
Climate variation in temperature describes the fluctuations that occur above or below the average temperature over time. This study focuses on the analysis of various approaches for calculating the average temperature to better capture and represent the ...
Charalampos Kolyvas   +2 more
doaj   +1 more source

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