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A digit-by-digit algorithm for mth root extraction

delete2007-12-01
delete15
PRE
AI
P
Paolo Montuschi *
J
J.D. Bruguera
J
José-Alejandro Piñeiro
DOI:10.1109/TC.2007.70764delete
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Abstract

Abstract

En 中文
A general digit-recurrence algorithm for the computation of the mth root (with an m integer) is presented in this paper. Based on the concept of completing the mth root, a detailed analysis of the convergence conditions is performed and iteration-independent digit-selection rules are obtained for any radix and redundant digit set. A radix-2 version for mth rooting is also studied, together with closed formulas for both the digit selection rules and the number of bits required to perform correct selections.
Keywords:
integer rooting
digit-by-digit algorithms
higher radix
computer arithmetic

Journal

IEEE Transactions on Computers cover
IEEE Transactions on Computers
IF:
3.8
Papers:
5.3K
Citations:
9.8K

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