Interpolation by Ridge Functions
โ
D. Braess; A. Pinkus
๐
Article
๐
1993
๐
Elsevier Science
๐
English
โ 615 KB
We consider the problem of interpolation by linear combinations of ridge functions. A ridge function is a function of the form \(f(\mathbf{a} \cdot \mathbf{x})\) where \(f: \mathbb{R} \rightarrow \mathbb{R}, \mathbf{a} \in \mathbb{R}^{d} \backslash\{\mathbf{0}\}\) is a fixed vector, and \(\mathbf{x}