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On Hermite-Fejér type interpolation
Published online by Cambridge University Press: 17 April 2009
Abstract
For the Hermite-Fejér interpolation operator of higher order constructed on the roots , 1 ≤ k ≤ m, of the Jacobi-polynomial it is shown that is positive for all m ∈ N, if (α, β) ∈ [−¾, −¼]2. Further there is given an bound, which implies for arbitrary f ∈ C(I) and (α, β) ∈ [−¾, −¼]2.
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- Copyright © Australian Mathematical Society 1983
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