Strong Converse Inequality for Modified Szász Operators
Received:January 29, 2002  
Key Words: Modified Szász operators   strong converse inequality   approximation.  
Fund Project:Supported by the Foundation of Key Item of Science and Technology of Education Ministry of China(03142), Foundation of Higher School of Ningxia (JY2002107)
Author NameAffiliation
YANG Ru-yue Dept. of Inform. & Math.
China Institute of Metrology
Hangzhou
China 
XIONG Jing-yi Dept. of Inform. & Math.
China Institute of Metrology
Hangzhou
China 
CAO Fei-long Dept. of Inform. & Math.
China Institute of Metrology
Hangzhou
China 
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Abstract:
      In this paper, we show the direct and converse theorems of strong type of approximation for modified Szász operators. Rom these theorems, the characterization of approximation for these operators is derived. The obtained results are similar to the corresponding ones of the Szász operators.
Citation:
DOI:10.3770/j.issn:1000-341X.2004.03.010
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