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D.15.7.3 systemOfParametersOfLocalization
Procedure from library graal.lib (see graal_lib).
- Usage:
- systemOfParametersOfLocalization(def L); L ideal or graalBearer
- Return:
- ideal, a system of parameter of the localization A_L of A at L.
Example:
| | LIB "graal.lib";
ring Q = 0,(X(1),X(2)),dp;
ideal H = X(2)^2-(X(1)-1)*X(1)*(X(1)+1);
ideal J = X(1),X(2);
qring A = std(H);
ideal L = fetch(Q,J);
graalBearer Gr = graalMixed(L);
systemOfParametersOfLocalization(Gr); // = 1
==> // ** redefining J **
==> _[1]=X(2)
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