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D.8.10.11 rootsMain
Procedure from library zeroset.lib (see zeroset_lib).
- Usage:
- rootsMain(f); where f is a polynomial
- Purpose:
- compute all roots of f in a finite extension of the ground field
without multiplicities.
- Return:
- list, all entries are polynomials
| | _[1] = roots of f, each entry is a polynomial
_[2] = 'newA' - if the ground field is Q(b) and the extension field
is Q(a), then 'newA' is the representation of b in Q(a)
_[3] = minpoly of the algebraic extension of the ground field
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- Assume:
- basering = Q[x,a] ideal mpoly must be defined, it might be 0!
- Note:
- might change the ideal mpoly!!
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