[HTML][HTML] A novel class of stabilized greedy kernel approximation algorithms: Convergence, stability and uniform point distribution
Kernel based methods provide a way to reconstruct potentially high-dimensional functions
from meshfree samples, ie, sampling points and corresponding target values. A crucial …
from meshfree samples, ie, sampling points and corresponding target values. A crucial …
Analysis of Target Data-Dependent Greedy Kernel Algorithms: Convergence Rates for f-, - and f/P-Greedy
Data-dependent greedy algorithms in kernel spaces are known to provide fast converging
interpolants, while being extremely easy to implement and efficient to run. Despite this …
interpolants, while being extremely easy to implement and efficient to run. Despite this …
[PDF][PDF] Kernel methods for surrogate modeling
This chapter deals with kernel methods as a special class of techniques for surrogate
modeling. Kernel methods have proven to be efficient in machine learning, pattern …
modeling. Kernel methods have proven to be efficient in machine learning, pattern …
Comparison of data-driven uncertainty quantification methods for a carbon dioxide storage benchmark scenario
A variety of methods is available to quantify uncertainties arising within the modeling of flow
and transport in carbon dioxide storage, but there is a lack of thorough comparisons …
and transport in carbon dioxide storage, but there is a lack of thorough comparisons …
Numerical modelling of a peripheral arterial stenosis using dimensionally reduced models and kernel methods
In this work, we consider 2 kinds of model reduction techniques to simulate blood flow
through the largest systemic arteries, where a stenosis is located in a peripheral artery, ie, in …
through the largest systemic arteries, where a stenosis is located in a peripheral artery, ie, in …
Interpolation with uncoupled separable matrix-valued kernels
In this paper we consider the problem of approximating vector-valued functions over a
domain $\Omega $. For this purpose, we use matrix-valued reproducing kernels, which can …
domain $\Omega $. For this purpose, we use matrix-valued reproducing kernels, which can …
Integration of moment equations in a reduced-order modeling strategy for Monte Carlo simulations of groundwater flow
We illustrate and test an approach grounded on embedding moment equations (MEs) of
groundwater flow within a Monte Carlo based modeling strategy to yield a Reduced-Order …
groundwater flow within a Monte Carlo based modeling strategy to yield a Reduced-Order …
An adaptive sparse kernel technique in greedy algorithm framework to simulate an anomalous solute transport model
In the current work, an efficient and powerful computational technique is implemented to
simulate an anomalous mobile-immobile solute transport process. The process is …
simulate an anomalous mobile-immobile solute transport process. The process is …
[PDF][PDF] Learning with subsampled kernel-based methods: Environmental and financial applications
MA Shahrokhabadi, A Neisy… - … Research Notes on …, 2019 - research.unipd.it
Kernel machines are widely used tools for extracting features from given data. In this context,
there are many available techniques that are able to predict, within a certain tolerance, the …
there are many available techniques that are able to predict, within a certain tolerance, the …
Low-rank and sparse approximations for contact mechanics
KS Kollepara - arxiv preprint arxiv:2405.20211, 2024 - arxiv.org
(Rephrased) Non-conformance decision-making processes in high-precision manufacturing
of engineering structures are often delayed due to numerical simulations that are needed for …
of engineering structures are often delayed due to numerical simulations that are needed for …