Could it be possible that the algorithm isn't complete if n is odd? In that case, I think the formula doesn't take the last subinterval into account.
To see it, you can try:
This is great! Just once question. Is there a way to keep the "box" around the figure so as to sort of frame it? Here is my code
Any suggestions would be greatly appreciated. Thanks.
16 Feb 2013
Puts axes in the center of a plot. Zooming, panning and some command line manipulations allowed.