Irrational vs Undefined - What's the difference?
irrational | undefined |
Not rational; unfounded or nonsensical.
* July 18 2012 , Scott Tobias, AV Club The Dark Knight Rises [http://www.avclub.com/articles/the-dark-knight-rises-review-batman,82624/]
(mathematics, arithmetic, number theory, not comparable) Of a real number, that cannot be written as the ratio of two integers.
A real number that can not be expressed as the quotient of two integers, an irrational number.
* 1946 , (Bertrand Russell), History of Western Philosophy , I.24:
Lacking a definition or value.
(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
As adjectives the difference between irrational and undefined
is that irrational is not rational; unfounded or nonsensical while undefined is lacking a definition or value.As a noun irrational
is a real number that can not be expressed as the quotient of two integers, an irrational number.irrational
English
Adjective
(en adjective)- an irrational decision
- Where the Joker preys on our fears of random, irrational acts of terror, Bane has an all-consuming, dictatorial agenda that’s more stable and permanent, a New World Order that’s been planned out with the precision of a military coup.
- The number π is irrational .
Antonyms
* (mathematics) rationalHyponyms
* (mathematics) transcendentalDerived terms
* irrational number * irrationality * irrationalize * irrationalizationNoun
(en noun)- The square root of 2, which was the first irrational to be discovered, was known to the early Pythagoreans, and ingenious methods of approximating to its value were discovered.
undefined
English
Adjective
(wikipedia undefined) (-)- The result of division by zero is undefined .