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D.6.7.3 gmscoeffs

Procedure from library gmssing.lib (see gmssing_lib).

Usage:
gmscoeffs(p,K); poly p, int K

Assume:
basering constructed by gmsring

Return:
 
list l;
  matrix l[1];  C[[s]]-basis representation of p mod s^(K+1)
  ideal l[2];  p==matrix(gmsbasis)*l[1]+l[2]

Note:
computation can be continued by setting p=l[2]

Example:
 


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