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D.4.25.13 getOneVar

Procedure from library normal.lib (see normal_lib).

Usage:
getOneVar(J, vari); J is a 0-dimensional ideal, vari is an integer.

Return:
a polynomial of J in the variable indicated by vari of smallest degree.

Note:
Works only over rings of two variables.
It is intended mainly as an auxiliary procedure for computing integral bases.

Example:
 
LIB "normal.lib";
printlevel = printlevel+1;
ring s = 0,(x,y),dp;
ideal J = x3-y, y3;
getOneVar(J, 1);
==> x9
printlevel = printlevel-1;


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