2 papers
math.NA2026
A Unified Framework for Efficient Kernel and Polynomial Interpolation
M. Belianovich, G. E. Fasshauer, A. Narayan +1
We present a unified interpolation scheme that combines compactly-supported positive-definite kernels and multivariate polynomials. This unified framework generalizes interpolation…
math.NA2024
Quasi-interpolation for high-dimensional function approximation
Wenwu Gao, Jiecheng Wang, Zhengjie Sun +1
The paper proposes a general quasi-interpolation scheme for high-dimensional function approximation. To facilitate error analysis, we view our quasi-interpolation as a two-step pro…