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D.10.2.3 sysNewton

Procedure from library decodegb.lib (see decodegb_lib).

Usage:
sysNewton (n,defset,t,q,m,[tr]); n,t,q,m,tr int, defset is list int's
 
         - n is length,
         - defset is the defining set,
         - t is the number of errors,
         - q is basefield size,
         - m is degree extension of the splitting field,
         - if tr>0 it indicates that Newton identities in triangular
           form should be constructed

Return:
the ring to work with the generalized Newton identities (in triangular form if applicable) containing the ideal with name 'newton'

Theory:
Based on 'defset' of the given cyclic code, the procedure constructs the corresponding ideal 'newton' with the generalized Newton identities. With its help one can solve the decoding problem. For basics of the method Generalized Newton identities.

Example:
 
See also: sysBin; sysCRHT.


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