In this work we present a result about the approximation of the k-th derivative of a function by means of a linear operator under assumptions related to shape preserving properties. As a consequence we deduce new resu...In this work we present a result about the approximation of the k-th derivative of a function by means of a linear operator under assumptions related to shape preserving properties. As a consequence we deduce new results about the Meyer-K?nig and Zeller operators.展开更多
基金Junta de AndalucíaGrupo de Investigación Approximacióny Métodos Numéricoscódigo FQM 0 1 78.
文摘In this work we present a result about the approximation of the k-th derivative of a function by means of a linear operator under assumptions related to shape preserving properties. As a consequence we deduce new results about the Meyer-K?nig and Zeller operators.