question: how much elements , on average , are included in sparse stream from the general sequence concode_field_sep PlaceHolder placeHolder concode_field_sep Iterator<BigInteger> sampleAfter concode_elem_sep BigInteger valueAt concode_elem_sep Iterator<BigInteger> mergeIterators concode_elem_sep Map<Integer,Future<Double>> approximatesFor
target: double function ( int arg0 , int arg1 ) { return arg1 / valueAt ( iteratorSparse ( arg0 ) , arg1 - 1 ) . doubleValue ( ) ; }