Permutation vs Null - What's the difference?
permutation | null |
(mathematics) A one-to-one mapping from a finite set to itself.
(mathematics, combinatorics) An ordering of a finite set of distinct elements.
(music) A transformation of a set's prime form, by applying one or more of certain operations, specifically, transposition, inversion, and retrograde.
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between permutation and null
is that permutation is permutation while null is zero, nil; the cardinal number before einn.permutation
English
Noun
(wikipedia permutation) (en noun)- This permutation takes each element to the one following it, with the last mapped back to the first.
- There are six permutations of three elements, e.g. {abc, acb, bac, bca, cab, cba}.
Anagrams
* importunateSee also
* (combinatorics) combination ----null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.