# Thread: Infinite Series Conditional Converging

1. ## Infinite Series Conditional Converging

I'm just not sure why they have to be positive.

http://i.imgur.com/LmIE9.png

2. ## Re: Infinite Series Conditional Converging

Probably because if a or b are negative integers, then some of the terms are undefined.

3. ## Re: Infinite Series Conditional Converging

Originally Posted by Ebony
I'm just not sure why they have to be positive.

http://i.imgur.com/LmIE9.png
This series requires the use of the 'Digamma Function' and has been examined in...

Difference equation tutorial: draft of part I

Kind regards

$\chi$ $\sigma$