Fuzzy relation

rWotD Episode 3192: Fuzzy relation Welcome to random Wiki of the Day, your journey through Wikipedia's vast and varied content, one random article at a time.The random article for Thursday, 29 January 2026, is Fuzzy relation.A fuzzy relation is the cartesian product of mathematical fuzzy sets. Two fuzzy sets are taken as input, the fuzzy relation is then equal to the cross product of the sets which is created by vector multiplication. Usually, a rule base is stored in a matrix notation which allows the fuzzy controller to update its internal values.From a historical perspective, the first fuzzy relation was mentioned in the year 1971 by Lotfi A. Zadeh.A practical approach to describe a fuzzy relation is based on a 2d table. At first, a table is created which consists of fuzzy values from 0..1. The next step is to apply the if-then-rules to the values. The resulting numbers are stored in the table as an array.Fuzzy relations can be utilized in fuzzy databases.This recording reflects the Wikipedia text as of 01:16 UTC on Thursday, 29 January 2026.For the full current version of the article, see Fuzzy relation on Wikipedia.This podcast uses content from Wikipedia under the Creative Commons Attribution-ShareAlike License.Visit our archives at wikioftheday.com and subscribe to stay updated on new episodes.Follow us on Mastodon at @[email protected] check out Curmudgeon's Corner, a current events podcast.Until next time, I'm long-form Gregory.