1 code implementation • 26 Apr 2024 • Theresa Wagner, Franziska Nestler, Martin Stoll
We here present a technique based on the non-equispaced fast Fourier transform (NFFT) with rigorous error analysis.
no code implementations • 4 Feb 2024 • Kseniya Akhalaya, Franziska Nestler, Daniel Potts
In small dimensional settings the Fast Fourier Transform (FFT) and related methods are a powerful tool in order to deal with the considered basis functions.
1 code implementation • 19 Nov 2021 • Franziska Nestler, Martin Stoll, Theresa Wagner
We propose the use of an ANOVA kernel, where we construct several kernels based on lower-dimensional feature spaces for which we provide fast algorithms realizing the matrix-vector products.