- empty sum
-
The result of adding no numbers (defined in order to be able to extend certain mathematical concepts, such as the sum of numbers, to the case where = 0).
Wikipedia foundation.
empty sum
Look at other dictionaries:
Empty sum — Not to be confused with Zero sum. In mathematics, an empty sum, or nullary sum, is a summation involving no terms at all. The value of any empty sum of numbers is conventionally taken to be zero. For summations defined in terms of addition of… … Wikipedia
Empty product — In mathematics, an empty product, or nullary product, is the result of multiplying no factors. It is equal to the multiplicative identity 1, given that it exists for the multiplication operation in question, just as the empty sum the result of… … Wikipedia
Empty set — ∅ redirects here. For similar looking symbols, see Ø (disambiguation). The empty set is the set containing no elements. In mathematics, and more specifically set theory, the empty set is the unique set having no elements; its size or cardinality… … Wikipedia
Empty purse — Purse Purse, n. [OE. purs, pors, OF. burse, borse, bourse, F. bourse, LL. bursa, fr. Gr. ? hide, skin, leather. Cf. {Bourse}, {Bursch}, {Bursar}, {Buskin}.] 1. A small bag or pouch, the opening of which is made to draw together closely, used to… … The Collaborative International Dictionary of English
nullary sum — noun Another name for the empty sum. <!Put synonyms, translations, etc, on the page for empty sum … Wiktionary
Subset sum problem — In computer science, the subset sum problem is an important problem in complexity theory and cryptography. The problem is this: given a set of integers, does the sum of some non empty subset equal exactly zero? For example, given the set { −7, −3 … Wikipedia
PZL.46 Sum — infobox Aircraft name = PZL.46 Sum type = Light bomber and reconnaissance aircraft manufacturer =Państwowe Zakłady Lotnicze caption = designer = first flight = August 1938 introduced = retired = status = Prototype primary user = Polish Air Force… … Wikipedia
In Too Deep (Sum 41 song) — Single infobox Name = In Too Deep Artist = Sum 41 from Album = All Killer No Filler Released = December 3, 2001 UK Format = CD, cassette Genre = Pop punk Length = 3:27 Label = Canada: Aquarius US: Island Producer = Jerry Finn Chart position = *… … Wikipedia
The Sum of All Fears — Infobox Book | name = The Sum of All Fears title orig = image caption = First edition cover art author = Tom Clancy cover artist = country = United States language = English series = Ryanverse genre = Thriller novel publisher = Putnam release… … Wikipedia
Pieces (Sum 41 song) — Single infobox Name = Pieces Artist = Sum 41 from Album = Chuck Released = 2005 Format = CD Recorded = 2004 Genre = Alternative rock Length = 3:01 Label = Island Records Producer = Greig Nori Chart position = * #1 (Canada) * #14 (US Modern Rock)… … Wikipedia
