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D.8.7.9 num_prime_decom
Procedure from library recover.lib (see recover_lib).
- Usage:
- num_prime_decom(I,D); ideal I, int D
D a bound to the degree of the elements of the components of a prime
decomposition of I.
- Return:
- list of ideals: each of the ideals a prime component of the radical of I
- Remarks:
- Uses Bertini.
- Note:
- Should only be called from a ring over the rational numbers.
Example:
| | LIB "recover.lib";
ring R=0,(x,y,z),dp;
ideal I=(x+y)*(y+2z), (x+y)*(x-3z);
int D=2;
int Prec=300;
num_prime_decom(I,D,Prec);
//Let us compare that to the result of primdecSY:
primdecSY(I);
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