Journal of Shanghai University(Natural Science Edition) ›› 2010, Vol. 16 ›› Issue (3): 253-256.
• Mathematics.Physics and Chemistry • Previous Articles Next Articles
SU Rui,PAN Bao-zhen
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Abstract:
A vector-valued Padé-type approximation is defined in the inner space by introducing a generalized linear functional from a polynomial space to a vector space. With the error formula for vector-valued Padé-type approximation, the orthogonal polynomial with respect to a generalized linear functional is defined. The block structure of Padé-type table is derived. The structure can be used to reduce computation of Padé-type approximations. An example is given to illustrate effectiveness of the method.
Key words: vector-valued; Padé-type approximation; orthogonal polynomial; block structure
SU Rui,PAN Bao-zhen. Block Structure of Vector-Valued Padé-Type Table in the Inner Space[J]. Journal of Shanghai University(Natural Science Edition), 2010, 16(3): 253-256.
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https://www.journal.shu.edu.cn/EN/Y2010/V16/I3/253