- #1

Karlisbad

- 131

- 0

[tex] B(x)=\sum_{n=0}^{\infty}\frac{a(n)x^{n}}{n!} [/tex]

But this can only be made for a few cases [tex] a(n)=(-1)^{n} [/tex] and

[tex] a(n)=(-1)^{n} n! [/tex]

But if the a(n) don't follow a known pattern Borel Transform is useless..