Re: Calculating with imprecise values
- Posted by Matt Lewis <matthewwalkerlewis at gmail.com> Dec 13, 2005
- 634 views
Juergen Luethje wrote: > > Do we already have an Eu library for calculating with imprecise values? > I couldn't find such a library in the archives. I mean something along > the following lines: > Say we have measured two distances, 3.4 cm and 4.7 cm, and we want to > add them. Since those values are normally not 100% precise, the result > is not necessarily (3.4+4.7) cm = 8.1 cm. If the values have been > rounded, and "3.4" means something between 3.35 and 3.44, and "4.7" > means something between 4.65 and 4.74, then the result can be any value > between 8.00 cm and 8.18 cm. > > If we don't already have such a library, is there any interest? > It sounds like fuzzy numbers and fuzzy arithmetic. I've thought about writing something to do this, but haven't yet... Matt Lewis