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<p>A second order modulus with two weight functions is defined in order to obtain estimates of the degree of approximation of functions with fast growth to infinity by general positive linear operators which preserve polynomials of degree one. Exemplifications are given for Szász-Mirakjan operators.</p>

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Double Weighted Second Order Modulus

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月24日

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  • Radu Păltănea,
  • Bianca Ioana Vasian

摘要

A second order modulus with two weight functions is defined in order to obtain estimates of the degree of approximation of functions with fast growth to infinity by general positive linear operators which preserve polynomials of degree one. Exemplifications are given for Szász-Mirakjan operators.