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Complex measures having quadrature formulae with optimal exactness

✍ Scribed by E. Berriochoa; A. Cachafeiro; J. García-Amor

Book ID
106343720
Publisher
Akadmiai Kiad
Year
2009
Tongue
English
Weight
355 KB
Volume
126
Category
Article
ISSN
1588-2632

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📜 SIMILAR VOLUMES

Nodal systems with maximal domain of exa
Nodal systems with maximal domain of exactness for Gaussian quadrature formulas
✍ E. Berriochoa; A. Cachafeiro 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 179 KB

The aim of this work is to study quadrature formulas for measures on the complex plane. The novelty of our contribution is to consider the exactness on subspaces of polynomials on the variables z and z. Using this approach we characterize, in a unified way, the classical nodal systems for measures o

Optimal-by-order quadrature formulae for
Optimal-by-order quadrature formulae for fast oscillatory functions with inaccurately given a priori information
✍ K.N. Melnik; R.V.N. Melnik 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 211 KB

In this article, the authors construct optimal-by-order quadrature formulae for integration of fast oscillatory functions in interpolational classes C 1 1; L; N and C 1 1; L; N; : The construction of e cient formulae for numerical integration of fast oscillatory functions is based on the application