On Comonotone Approximation and Coconvex Approximation of Differentiable Functions |
Received:June 29, 1987 |
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Abstract: |
In this paper, by using the result about the simultaneous polynomial approximation with Hermite interpolatory side conditions, we give the Jackson type estimates for the degree of comonotone approximation |
Citation: |
DOI:10.3770/j.issn:1000-341X.1989.03.024 |
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