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The atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of its atomic nucleus. For ordinary nuclei composed of protons and neutrons , this is equal to the proton number ( n p ) or the number of protons found in the nucleus of every atom of that element.
Z number may refer to: Z-number, the subject of Mahler's 3/2 problem; a composition designator in Zimmerman's list of compositions by Henry Purcell; Z score;
In modular arithmetic, the integers coprime (relatively prime) to n from the set {,, …,} of n non-negative integers form a group under multiplication modulo n, called the multiplicative group of integers modulo n.
Z Code (like Q Code and X Code) is a set of operating signals used in CW, TTY and RTTY radio communication. Distinct versions. There are at least three sets of Z ...
The Z-ordering can be used to efficiently build a quadtree (2D) or octree (3D) for a set of points. [5] [6] The basic idea is to sort the input set according to Z-order.Once sorted, the points can either be stored in a binary search tree and used directly, which is called a linear quadtree, [7] or they can be used to build a pointer based quadtree.
Z, or z, is the twenty-sixth and last letter of the Latin alphabet. It is used in the modern English alphabet , in the alphabets of other Western European languages, and in others worldwide. Its usual names in English are zed ( / ˈ z ɛ d / ), which is most commonly used in British English, and zee ( / ˈ z iː / ), most commonly used in North ...
An example of a formal specification (in Spanish) using the Z notation, with named schema boxes, including declarations and predicates. The Z notation / ˈ z ɛ d / is a formal specification language used for describing and modelling computing systems. [1] It is targeted at the clear specification of computer programs and computer-based systems ...
The grapheme Ž (minuscule: ž) is formed from Latin Z with the addition of caron (Czech: háček, Slovak: mäkčeň, Slovene: strešica, Serbo-Croatian: kvačica).It is used in various contexts, usually denoting the voiced postalveolar fricative, the sound of English g in mirage, s in vision, or Portuguese and French j.