> papers, I found the original [...] after days of struggling, I almost understood it ... > From this code and staring at the paper, I learned a few things.

> papers, I found the original [...] after days of struggling, I almost understood it ... > From this code and staring at the paper, I learned a few things. First of all figure 1 is wrong. Probably anyone who has implemented a non-trivial algorithm from a paper will feel a sympathetic twinge ;-)