CoCoA:IndetIndex
From ApCoCoAWiki
IndetIndex
index of an indeterminate
Description
This function returns the index of the named determinate. The index
is determined by the order in which the indeterminate is listed when
the corresponding ring was created.
Example
Use R ::= Q[x,y,z] IndetIndex(y); 2 ------------------------------- Use R ::= Q[x[1..2,1..2],y[1..2]]; Indets(); [x[1,1], x[1,2], x[2,1], x[2,2], y[1], y[2]] ------------------------------- IndetIndex(x[2,1]); 3 ------------------------------- S ::= Q[a,b,c]; IndetIndex(S::b); 2 -------------------------------
Syntax
IndetIndex(X:INDET):INT
<type>ring</type>