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D.8.10.7 factorMain

Procedure from library zeroset.lib (see zeroset_lib).

Usage:
factorMain(f); where f is a polynomial

Purpose:
compute the factorization of the squarefree polynomial f over Q(a)[t], minpoly = p(a).

Return:
list with 2 entries
 
  _[1] = factors, first is a constant
  _[2] = multiplicities (not yet implemented)

Assume:
basering = Q[x,a], representing Q(a)[x]. An ideal mpoly must be defined, representing the minimal polynomial (it might be 0!).

Note:
outdated, use factorize instead


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