Pointwise Approximation Theorems for Combinations and Derivatives of Szádsz-Mirakjan Operators
Received:September 13, 2000  
Key Words: Szász-Mirakjan operator   combination   derivative   modulus of smoothness.  
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Author NameAffiliation
XIE Lin-sen Dept. of Math.
Lishui Teachers College
Zhejiang
China 
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Abstract:
      In this paper, we give the pointwise approximation theorems for the combinations of Szádsz-Mirakjan operators and consider the relation between the derivatives of these operators with higher orders and the smoothness of the functions approximated.
Citation:
DOI:10.3770/j.issn:1000-341X.2003.04.022
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