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Quadrature formulae for entire functions with 2-periodic data. (English) Zbl 0753.65019
The author studies quadrature formulae with equidistant nodes involving 2-periodic data of not necessarily consecutive derivatives. The question of existence and uniqueness of such formulae which have highest degree of precision with respect to entire functions of exponential type is considered.
Quadrature formulae of highest degree of precision are obtained without knowing the corresponding interpolation process. A representation of the remainder for functions belonging to a certain Sobolev space is given. Examples are considered.
Reviewer: D.Acu (Sibiu)
MSC:
65D32 Numerical quadrature and cubature formulas
41A55 Approximate quadratures
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