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IndetIndex

index of an indeterminate

Syntax 
IndetIndex(X: RINGELEM): INT

Description
This function returns the position in which the indeterminate is listed when the corresponding ring was created.

Example 
/**/  Use R ::= QQ[x,y,z];
/**/  IndetIndex(y);
2

/**/  Use R ::= QQ[x[1..2,1..2],y[1..2]];
/**/  Indets(R);
[x[1,1], x[1,2], x[2,1], x[2,2], y[1], y[2]]

/**/  IndetIndex(x[2,1]);
3

/**/  S ::= QQ[a,b,c];
/**/  IndetIndex(RingElem(S, "b"));
2

See Also