This is what I call Wikipedia spam. How was this function derived? No info. What does it do? No info. What are its applications? No info. All it has is a series expansion with a zillion terms. Don't write an article like this...
@niconiconi Is that O(z^1*0) meant to be O(z^{10})?
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.