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D.10.2.13 decode

Procedure from library decodegb.lib (see decodegb_lib).

Usage:
decode(check, rec, t); check, rec matrix, t int
 
          - check is the check matrix of the code,
          - rec is a received word,
          - t is an upper bound for the number of errors one wants to correct

Note:
The method described in Decoding method based on quadratic equations is used for decoding.

Assume:
Errors in rec should be correctable, otherwise the output is unpredictable

Return:
a codeword that is closest to rec

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.