remove(Ref V:LIST, N:INT):NULL
where V is a variable containing a list.
Description
This function removes the N-th component from L. (The function
WithoutNth returns the list obtained by removing the N-th component
of L without affecting L, itself.)
Example
/**/ Use R ::= QQ[x,y,z];
/**/ L := indets(R);
/**/ L;
[x, y, z]
/**/ remove(Ref L,2);
/**/ L;
[x, z]