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D.2.10.11 randomLast

Procedure from library random.lib (see random_lib).

Usage:
randomLast(b); b int

Return:
ideal = maxideal(1), but the last variable is exchanged by a random linear combination of all variables, with coefficients in the interval [-b,b], except for the last variable which always has coefficient 1

Example:
 
LIB "random.lib";
ring  r = 0,(x,y,z),lp;
ideal i = randomLast(10);
i;
==> i[1]=x
==> i[2]=y
==> i[3]=-x+z


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