FEniCSx finite element basis evaluation library
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Updated
Mar 3, 2026 - C++
FEniCSx finite element basis evaluation library
FC-KAN: Function Combinations in Kolmogorov-Arnold Networks
Implementation of two-electron repulsion integrals (ERIs) via Non-Uniform Fast Fourier Transform on adaptive Becke grids, Cartesian GTOs (s/p/d), FINUFFT Type-3, relative error 4.54e-6 vs 10% for uniform FFT, 23000x accuracy improvement with 114x fewer grid points, validated against Boys function.
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