no code implementations • 30 Apr 2024 • Tizian Wenzel, Armin Iske
Kernel based approximation offers versatile tools for high-dimensional approximation, which can especially be leveraged for surrogate modeling.
no code implementations • 15 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.
no code implementations • 25 Mar 2021 • Tizian Wenzel, Marius Kurz, Andrea Beck, Gabriele Santin, Bernard Haasdonk
Standard kernel methods for machine learning usually struggle when dealing with large datasets.
no code implementations • 27 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.
1 code implementation • 11 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