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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)


``Best'' interpolation, differentiation, and integration approximations on the Hardy space $ H\sp{2}$

Author: Leon Winslow
Journal: Math. Comp. 24 (1970), 523-527
MSC: Primary 30A78; Secondary 41A50
MathSciNet review: 0293309
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Abstract: A general formula is developed which gives the "best" approximation for any linear functional on the Hardy space $ {H^2}$. Some "best" approximations are given for interpolation, differentiation, and integration and are compared to polynomial approximations.

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Additional Information

PII: S 0025-5718(1970)0293309-5
Keywords: Approximation of linear functionals, best approximations, Hardy space $ {H^2}$, numerical interpolation, numerical differentiation, numerical integration, analytic functions, approximation by rational functions
Article copyright: © Copyright 1970 American Mathematical Society

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