Search Results for author: Tizian Wenzel

Found 5 papers, 1 papers with code

Finetuning greedy kernel models by exchange algorithms

no code implementations30 Apr 2024 Tizian Wenzel, Armin Iske

Kernel based approximation offers versatile tools for high-dimensional approximation, which can especially be leveraged for surrogate modeling.

Universality and Optimality of Structured Deep Kernel Networks

no code implementations15 May 2021 Tizian Wenzel, Gabriele Santin, Bernard Haasdonk

In particular, we show that the use of special types of kernels yield models reminiscent of neural networks that are founded in the same theoretical framework of classical kernel methods, while enjoying many computational properties of deep neural networks.

Biomechanical surrogate modelling using stabilized vectorial greedy kernel methods

no code implementations27 Apr 2020 Bernard Haasdonk, Tizian Wenzel, Gabriele Santin, Syn Schmitt

Greedy kernel approximation algorithms are successful techniques for sparse and accurate data-based modelling and function approximation.

A novel class of stabilized greedy kernel approximation algorithms: Convergence, stability & uniform point distribution

1 code implementation11 Nov 2019 Tizian Wenzel, Gabriele Santin, Bernard Haasdonk

Since the computation of an optimal selection of sampling points may be an infeasible task, one promising option is to use greedy methods.

Numerical Analysis Numerical Analysis

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