Object-Z is an object-oriented extension to the Z notation developed at the University of Queensland, Australia. Object-Z extends Z by the addition of...
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Y} . An object Z Y {\textstyle Z^{Y}} together with a morphism e v a l : ( Z Y × Y ) → Z {\textstyle \mathrm {eval} \colon (Z^{Y}\times Y)\to Z} is an...
8 KB (1,143 words) - 18:49, 9 October 2024
sources. The symbol z represents redshift. This list contains a list of most distant objects by year of discovery of the object, not the determination...
148 KB (9,006 words) - 16:51, 16 May 2025
Z++ (pronounced zed, or zee in American pronunciation, plus plus) is an object-oriented extension to the Z specification language. Z++ allows for the definition...
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main alternative to Z B-Method, developed by Jean-Raymond Abrial (creator of Z notation) Z++ and Object-Z, object extensions for the Z notation Alloy, a...
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theory, a branch of mathematics, an initial object of a category C is an object I in C such that for every object X in C, there exists precisely one morphism...
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another example, if two objects X and Y are combined, they form another object Z, which is assigned the security level formed by the join of the levels...
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Z-Library (abbreviated as z-lib, formerly BookFinder) is a shadow library project for file-sharing access to scholarly journal articles, academic texts...
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Glossary of category theory (redirect from Simple object)
each object z in C, each morphism g: z → y in C and each morphism v: π(z) → π(x) in D such that π(g) = π(f) ∘ v, there exists a unique morphism u: z → x...
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Z-order is an ordering of overlapping two-dimensional objects, such as windows in a stacking window manager, shapes in a vector graphics editor, or objects...
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matrix(z, nrow = 3) # Create a new matrix that turns the vector z into a 3x2 matrix object > z_matrix [,1] [,2] [1,] 2 20 [2,] 6 30 [3,] 12 42 > 2 * t(z_matrix)...
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surfaces of scene objects from a viewpoint. The term is related (and may be analogous) to depth buffer, Z-buffer, Z-buffering, and Z-depth. The "Z" in these latter...
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u\colon X\to Y} , there is an object Z (called a cone or cofiber of the morphism u) fitting into an exact triangle X → u Y → Z → X [ 1 ] {\displaystyle X{\xrightarrow...
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category has a zero object Z {\displaystyle Z} , then we have a unique morphism X → Z {\displaystyle X\rightarrow Z} (since Z {\displaystyle Z} is terminal)...
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any object W in C and any g, h : W → X, fg = fh. Dually, f is called a coconstant morphism (or sometimes right zero morphism) if for any object Z in C...
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other methods are irrelevant: # let z = object method blahblah = 2.5 method set_x y = Printf.printf "%d\n" y end;; val z : < blahblah : float; set_x : int...
8 KB (1,121 words) - 07:04, 19 November 2024
has a mass small relative to the central object. We assume that the disc is in hydrostatic equilibrium with the z component of gravity from the star, where...
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other object Z {\displaystyle Z} of C {\displaystyle {\mathcal {C}}} and morphisms f : Z → X {\displaystyle f:Z\to X} and g : Z → Y {\displaystyle g:Z\to...
25 KB (4,031 words) - 05:52, 17 April 2025
The resulting Z-machine used an object tree structure for in-game items, locations, characters, and weapons.: 11 For comparison, the Z-machine parser...
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closer to 0. Here, reversing Z leads to more precision when storing the depth of very distant objects, hence greatly reducing Z-fighting. "LearnOpenGL - Depth...
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structure. Instead of "forgetting" Z, f, and g, one can also "trivialize" them by specializing Z to be the terminal object (assuming it exists). f and g are...
16 KB (2,058 words) - 05:49, 28 February 2025
morphism. That is, an arrow f : X → Y such that for all objects Z and all morphisms g1, g2: Z → X, f ∘ g 1 = f ∘ g 2 ⟹ g 1 = g 2 . {\displaystyle f\circ...
10 KB (1,362 words) - 15:43, 24 October 2024
three-dimensional (3D) object on a two-dimensional (2D) surface. These projections rely on visual perspective and aspect analysis to project a complex object for viewing...
32 KB (4,468 words) - 03:26, 16 May 2025
is at z=3.197 In 1975, 3C 123 was incorrectly determined to lie at z=0.637 (actually z=0.218). From 1964 to 1997, the title of most distant object in the...
128 KB (6,491 words) - 16:50, 9 May 2025
closest to camera. In a 3D-rendering pipeline, when an object is projected on the screen, the depth (z-value) of a generated fragment in the projected screen...
16 KB (2,447 words) - 09:41, 13 May 2025
A BL Lacertae object or BL Lac object is a type of active galactic nucleus (AGN) or a galaxy with such an AGN, named after its prototype, BL Lacertae...
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In computer science, object composition and object aggregation are closely related ways to combine objects or data types into more complex ones. In conversation...
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object 1, an NNO N is given by: a global element z : 1 → N, and an arrow s : N → N, such that for any object A of E, global element q : 1 → A, and arrow f :...
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there exists an object z such that x and y are both parts of z. U x y ↔ ∃ z [ P x z ∧ P y z ] . {\displaystyle Uxy\leftrightarrow \exists z[Pxz\land Pyz]...
56 KB (7,356 words) - 18:21, 6 February 2025
that is right-cancellative in the sense that, for all objects Z and all morphisms g1, g2: Y → Z, g 1 ∘ f = g 2 ∘ f ⟹ g 1 = g 2 . {\displaystyle g_{1}\circ...
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