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A digit-by-digit algorithm for mth root extraction
DOI:10.1109/TC.2007.70764.png)
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
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3.8
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5.3K
Citations:
9.8K
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