Iterates of Bernstein polynomials

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On the Convergence and Iterates of q-Bernstein Polynomials

The convergence properties of q-Bernstein polynomials are investigated. When q > 1 is fixed the generalized Bernstein polynomials Bnf of f , a one parameter family of Bernstein polynomials, converge to f as n → ∞ if f is a polynomial. It is proved that, if the parameter 0 < q < 1 is fixed, then Bnf → f if and only if f is linear. The iterates of Bnf are also considered. It is shown that B n f c...

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ژورنال

عنوان ژورنال: Pacific Journal of Mathematics

سال: 1967

ISSN: 0030-8730,0030-8730

DOI: 10.2140/pjm.1967.21.511