\((0,1,3)\) interpolation on the zeros of \(\pi_n(x)\)
The author discusses the regularity and convergence of (0,1,3) interpolation on the zeros of \((1-z^2) P_{n-1}'(x)\), where \(n\) is odd, and \(P_{n-1}\) denotes the \((n-1)\)th Legendre polynomials.
scientific article; zbMATH DE number 1643532