ABSTRACT
Suppose that the function f(x) has a power series expansion () https://www.w3.org/1998/Math/MathML"> f ( x ) = f 0 + xf 1 + x 2 f 2 + x 3 f 3 + ⋯ . https://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9780429499265/ff9ae276-bf0f-4700-9154-eaa3ea82fbc6/content/eq752.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
