- Article
The Optimal Shape Parameter for the Least Squares Approximation Based on the Radial Basis Function
- Sanpeng Zheng,
- Renzhong Feng and
- Aitong Huang
The radial basis function (RBF) is a class of approximation functions commonly used in interpolation and least squares. The RBF is especially suitable for scattered data approximation and high dimensional function approximation. The smoothness and ap...