Looks to me like an error in your calculations.
Here's what I get:
Code:R(1,1) = 0.17128 R(2,1) = 0.10881 R(3,1) = 0.09373 R(3,2) = 0.08870 R(2,2) = 0.08799 R(3,3) = 0.08875
Hi. I've been having some troubles with a particular integral with Romberg's method plus Richardson's extrapolation.
The integral is:
And the formulas I have are:
And we do it from 0 to 3
Then Richardson to get , and
In the end, I get to a bit far from the real solution. Could it be an error from the method or something wrong with calculations? I've done it a few times but still I can't find a mistake. I'll keep trying though.
Thanks in advance.
Thanks. I could get to those results using the formula shown on wikipedia. So I'm starting to think that I got it wrong here. I'll check on a book later. At least now I have your results as a reference haha.