Lower bounds for the condition number of Vandermonde matrices
作者： Walter Gautschi , Gabriele Inglese
DOI: 10.1007/BF01398878
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摘要: We derive lower bounds for the ∞-condition number of then×n-Vandermonde matrixV n (x) in the cases where the node vectorx T =[x 1 , x 2 ,...,x n ] has positive elements or real …
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