Non-parametric spherical Jeans mass estimation with B-splines

Geometric Modelling with Beta-function B-splines, I: Parametric Curves

This is the first one in a sequence of several papers dedicated to the development of applications of Euler Beta-function B-splines (BFBS) to Computer-aided Geometric Design (CAGD) and, in particular, for geometric modelling of parametric curves, surfaces and volume deformations. This study is an analogue of the study conducted in [12, 10] for the case of expo-rational Bsplines (ERBS). An impor...

Adaptive B-Splines and Boundary Estimation

This paper describes a boundary estimation scheme based on a new adaptive approach to B-spline curve fitting. The number of control points of the spline, their locations, and the observation parameters, are all considered unknown. The optimal number of control points is estimated via a new minimum description length (MDL) type criterion. The result is an adaptive parametrically deformable conto...

Investigation of electron and hydrogenic-donor states confined in a permeable spherical box using B-splines

  Effects of quantum size and potential shape on the spectra of an electron and a hydrogenic-donor at the center of a permeable spherical cavity have been calculated, using linear variational method. B-splines have been used as basis functions. By extensive convergence tests and comparing with other results given in the literature, the validity and efficiency of the method were confirmed.

Non–parametric volatility estimation

Rainfall Estimation from Sparse Data with Fuzzy B-Splines

This paper reports the results obtained in rainfall estimation using Fuzzy B-Splines (FBS). These parametric surfaces generalize the Interval B-Splines (IBS) and combine the modeling flexibility of B-splines with the expressive power of fuzzy techniques (Anile et al. 1995). Starting from a collection of irregularly scattered rainfall data, the proposed technique provides for every point in the ...