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UnivariateIndetIndex

the index of the indeterminate of a univariate polynomial
Syntax 

UnivariateIndetIndex(F: POLY): INT

Description
This function returns 0 if the polynomial F is not univariate otherwise it returns the indeterminate index of F.

NB: If F is a constant, it returns 1.

Example 
  Use QQ[x,y];
  UnivariateIndetIndex(3x^4-2x-1);
1
-------------------------------
  UnivariateIndetIndex(x-y-1);
0
-------------------------------
  UnivariateIndetIndex(3);
1
-------------------------------


See Also