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https://en.wikipedia.org/wiki/Thermodynamic%20equations | Thermodynamics is expressed by a mathematical framework of thermodynamic equations which relate various thermodynamic quantities and physical properties measured in a laboratory or production process. Thermodynamics is based on a fundamental set of postulates, that became the laws of thermodynamics.
Introduction
One ... |
https://en.wikipedia.org/wiki/Kummer%27s%20function | In mathematics, there are several functions known as Kummer's function. One is known as the confluent hypergeometric function of Kummer. Another one, defined below, is related to the polylogarithm. Both are named for Ernst Kummer.
Kummer's function is defined by
The duplication formula is
.
Compare this to the dupl... |
https://en.wikipedia.org/wiki/Confluent%20hypergeometric%20function | In mathematics, a confluent hypergeometric function is a solution of a confluent hypergeometric equation, which is a degenerate form of a hypergeometric differential equation where two of the three regular singularities merge into an irregular singularity. The term confluent refers to the merging of singular points of ... |
https://en.wikipedia.org/wiki/Related-key%20attack | In cryptography, a related-key attack is any form of cryptanalysis where the attacker can observe the operation of a cipher under several different keys whose values are initially unknown, but where some mathematical relationship connecting the keys is known to the attacker. For example, the attacker might know that th... |
https://en.wikipedia.org/wiki/Column%20inch | A column inch was the standard measurement of the amount of content in published works that use multiple columns per page. A column inch is a unit of space one column wide by high.
A newspaper page
Newspaper pages are laid out on a grid that consists of a margin on 4 sides, a number of vertical columns and space in b... |
https://en.wikipedia.org/wiki/Military%20Grid%20Reference%20System | The Military Grid Reference System (MGRS) is the geocoordinate standard used by NATO militaries for locating points on Earth. The MGRS is derived from the Universal Transverse Mercator (UTM) grid system and the Universal Polar Stereographic (UPS) grid system, but uses a different labeling convention. The MGRS is used ... |
https://en.wikipedia.org/wiki/Magnetic%20core | A magnetic core is a piece of magnetic material with a high magnetic permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, generators, inductors, magnetic recording heads, and magnetic assemblies. It is made o... |
https://en.wikipedia.org/wiki/Kinematic%20determinacy | Kinematic determinacy is a term used in structural mechanics to describe a structure where material compatibility conditions alone can be used to calculate deflections. A kinematically determinate structure can be defined as a structure where, if it is possible to find nodal displacements compatible with member extensi... |
https://en.wikipedia.org/wiki/Lidstone%20series | In mathematics, a Lidstone series, named after George James Lidstone, is a kind of polynomial expansion that can express certain types of entire functions.
Let ƒ(z) be an entire function of exponential type less than (N + 1)π, as defined below. Then ƒ(z) can be expanded in terms of polynomials An as follows:
Here An... |
https://en.wikipedia.org/wiki/List%20of%20manufacturing%20processes | This tree lists various manufacturing processes arranged by similarity of function.
Casting
Centrifugal casting (industrial)
Continuous casting
Die casting
Evaporative-pattern casting
Full-mold casting
Lost-foam casting
Investment casting (Lost-wax casting)
Countergravity casting
Lost-foam casting
Low pressure die ca... |
https://en.wikipedia.org/wiki/Gheorghe%20%C8%9Ai%C8%9Beica | Gheorghe Țițeica (; 4 October 1873 – 5 February 1939) publishing as George or Georges Tzitzéica) was a Romanian mathematician who made important contributions in geometry. He is recognized as the founder of the Romanian school of differential geometry.
Education
He was born in Turnu Severin, western Oltenia, the son o... |
https://en.wikipedia.org/wiki/Polaritonics | Polaritonics is an intermediate regime between photonics and sub-microwave electronics (see Fig. 1). In this regime, signals are carried by an admixture of electromagnetic and lattice vibrational waves known as phonon-polaritons, rather than currents or photons. Since phonon-polaritons propagate with frequencies in the... |
https://en.wikipedia.org/wiki/Mark%20Levinson%20ML-3 | The Mark Levinson ML-3 was a 200 watt per channel dual monaural Class AB2 power amplifier that used toroidal transformers. Produced between 1979 and 1987, the ML-3 consisted of two electrically separate amplifiers in one chassis, hence the name "Dual Monaural". It also featured discrete circuit construction; no integra... |
https://en.wikipedia.org/wiki/Stimulus%20protocol | In telephony, a stimulus protocol is a type of protocol that is used to carry event notifications between end points. Such a protocol is used to control the operation of devices at each end of the link. However a stimulus protocol is not sensitive to the system state. In a typical application such a protocol will carry... |
https://en.wikipedia.org/wiki/Gaydar%20%28website%29 | Gaydar is a profile-based dating website for gay and bisexual men.
History
The Gaydar website, built initially for desktop only, was created as a tool to connect gay and bisexual men all over the world for friendships, hook-ups, dating and relationships. Users create a personal 'member' profile, which is then used to... |
https://en.wikipedia.org/wiki/WBKI%20%28TV%29 | WBKI (channel 58) is a television station licensed to Salem, Indiana, United States, serving the Louisville, Kentucky, area as a dual affiliate of The CW and MyNetworkTV. It is the only full-power Louisville-area station licensed to the Indiana side of the market. WBKI is owned by Block Communications alongside Fox aff... |
https://en.wikipedia.org/wiki/Antitropical%20distribution | Antitropical (alternatives include biantitropical or amphitropical) distribution is a type of disjunct distribution where a species or clade exists at comparable latitudes across the equator but not in the tropics. For example, a species may be found north of the Tropic of Cancer and south of the Tropic of Capricorn, b... |
https://en.wikipedia.org/wiki/Lebesgue%20point | In mathematics, given a locally Lebesgue integrable function on , a point in the domain of is a Lebesgue point if
Here, is a ball centered at with radius , and is its Lebesgue measure. The Lebesgue points of are thus points where does not oscillate too much, in an average sense.
The Lebesgue differentiation ... |
https://en.wikipedia.org/wiki/Fade%20%28audio%20engineering%29 | In audio engineering, a fade is a gradual increase or decrease in the level of an audio signal. The term can also be used for film cinematography or theatre lighting in much the same way (see fade (filmmaking) and fade (lighting)).
A recorded song may be gradually reduced to silence at its end (fade-out), or may gradu... |
https://en.wikipedia.org/wiki/Google%20Directory | The Google Directory was a web directory hosted by Google and is based on the open source project DMOZ. It was discontinued on July 20, 2011. However, the Google business places and recommended businesses is now commonly referred to as the Google directory.
Information
The Google Directory was organized into 16 main c... |
https://en.wikipedia.org/wiki/Google%20Scholar | Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses a... |
https://en.wikipedia.org/wiki/Journal%20of%20the%20British%20Interplanetary%20Society | The Journal of the British Interplanetary Society (JBIS) is a monthly peer-reviewed scientific journal that was established in 1934. The journal covers research on astronautics and space science and technology, including spacecraft design, nozzle theory, launch vehicle design, mission architecture, space stations, luna... |
https://en.wikipedia.org/wiki/Nonelementary%20integral | In mathematics, a nonelementary antiderivative of a given elementary function is an antiderivative (or indefinite integral) that is, itself, not an elementary function (i.e. a function constructed from a finite number of quotients of constant, algebraic, exponential, trigonometric, and logarithmic functions using field... |
https://en.wikipedia.org/wiki/Micronet%20800 | Micronet 800 was an information provider (IP) on Prestel, aimed at the 1980s personal computer market. It was an online magazine that gave subscribers computer related news, reviews, general subject articles and downloadable telesoftware.
Users would log onto the Prestel network (which was usually a local call) and th... |
https://en.wikipedia.org/wiki/MKC%20Networks | MKC Networks was a privately owned supplier of VoIP (Voice over IP) equipment and software components headquartered in Ottawa, Ontario, Canada. It designed and sold a family of SIP-based products including advanced SIP Enterprise Application Servers and scalable communication platforms.
MKC Networks bought certain SIP... |
https://en.wikipedia.org/wiki/Mark%20Levinson%20No.%2026 | The Mark Levinson No. 26S Dual Monaural Preamplifiers used Teflon circuit boards to supposedly differentiate the No. 26 and the 26S models, produced between 1991 and 1994 by Madrigal Audio Laboratories. This unit utilizes Camac coaxial connectors (except for the XLR balanced ones), which were used in the medical indust... |
https://en.wikipedia.org/wiki/Superquadrics | In mathematics, the superquadrics or super-quadrics (also superquadratics) are a family of geometric shapes defined by formulas that resemble those of ellipsoids and other quadrics, except that the squaring operations are replaced by arbitrary powers. They can be seen as the three-dimensional relatives of the superelli... |
https://en.wikipedia.org/wiki/Ptolemy%27s%20theorem | In Euclidean geometry, Ptolemy's theorem is a relation between the four sides and two diagonals of a cyclic quadrilateral (a quadrilateral whose vertices lie on a common circle). The theorem is named after the Greek astronomer and mathematician Ptolemy (Claudius Ptolemaeus). Ptolemy used the theorem as an aid to creati... |
https://en.wikipedia.org/wiki/Schur%27s%20theorem | In discrete mathematics, Schur's theorem is any of several theorems of the mathematician Issai Schur. In differential geometry, Schur's theorem is a theorem of Axel Schur. In functional analysis, Schur's theorem is often called Schur's property, also due to Issai Schur.
Ramsey theory
In Ramsey theory, Schur's theore... |
https://en.wikipedia.org/wiki/Network%20performance | Network performance refers to measures of service quality of a network as seen by the customer.
There are many different ways to measure the performance of a network, as each network is different in nature and design. Performance can also be modeled and simulated instead of measured; one example of this is using state... |
https://en.wikipedia.org/wiki/Gonochorism | In biology, gonochorism is a sexual system where there are only two sexes and each individual organism is either male or female. The term gonochorism is usually applied in animal species, the vast majority of which are gonochoric.
Gonochorism contrasts with simultaneous hermaphroditism but it may be hard to tell if a ... |
https://en.wikipedia.org/wiki/Matrix%20representation | Matrix representation is a method used by a computer language to store matrices of more than one dimension in memory.
Fortran and C use different schemes for their native arrays. Fortran uses "Column Major", in which all the elements for a given column are stored contiguously in memory. C uses "Row Major", which stores... |
https://en.wikipedia.org/wiki/Shirt-sleeve%20environment | "Shirt-sleeve environment" is a term used in aircraft design to describe the interior of an aircraft in which no special clothing need be worn. Early aircraft had no internal pressurization, so the crews of those that reached the stratosphere had to be garbed to withstand the low temperature and pressure of the air out... |
https://en.wikipedia.org/wiki/Chgrp | The (from change group) command may be used by unprivileged users on various operating systems to change the group associated with a file system object (such as a computer file, directory, or link) to one of which they are a member. A file system object has 3 sets of access permissions, one set for the owner, one set ... |
https://en.wikipedia.org/wiki/D%26B%20Hoovers | D&B Hoovers was founded by Gary Hoover and Patrick Spain in 1990 as an American business research company that provided information on companies and industries through their primary product platform named "Hoover's". In 2003, it was acquired by Dun & Bradstreet and operated for a time as a wholly owned subsidiary. In 2... |
https://en.wikipedia.org/wiki/Red%20Hat%20Enterprise%20Linux%20derivatives | Red Hat Enterprise Linux derivatives are Linux distributions that are based on the source code of Red Hat Enterprise Linux (RHEL).
History
Red Hat Linux was one of the first and most popular Linux distributions. This was largely because, while a paid-for supported version was available, a freely downloadable version ... |
https://en.wikipedia.org/wiki/List%20of%20text%20editors | The following is a list of notable text editors.
Graphical and text user interface
The following editors can either be used with a graphical user interface or a text user interface.
Graphical user interface
Text user interface
System default
Others
vi clones
Sources:
No user interface (editor libraries/toolkit... |
https://en.wikipedia.org/wiki/Comparison%20of%20text%20editors | This article provides basic comparisons for notable text editors. More feature details for text editors are available from the Category of text editor features and from the individual products' articles. This article may not be up-to-date or necessarily all-inclusive.
Feature comparisons are made between stable versio... |
https://en.wikipedia.org/wiki/Froebel%20gifts | The Froebel gifts () are educational play materials for young children, originally designed by Friedrich Fröbel for the first kindergarten at Bad Blankenburg. Playing with Froebel gifts, singing, dancing, and growing plants were each important aspects of this child-centered approach to education. The series was later e... |
https://en.wikipedia.org/wiki/Apostolos%20Doxiadis | Apostolos K. Doxiadis (; born 1953) is a Greek writer. He is best known for his international bestsellers Uncle Petros and Goldbach's Conjecture (2000) and Logicomix (2009).
Early life
Doxiadis was born in Australia, where his father, the architect Constantinos Apostolou Doxiadis was working. Soon after his birth, the... |
https://en.wikipedia.org/wiki/Clapp%20oscillator | The Clapp oscillator or Gouriet oscillator is an LC electronic oscillator that uses a particular combination of an inductor and three capacitors to set the oscillator's frequency. LC oscillators use a transistor (or vacuum tube or other gain element) and a positive feedback network. The oscillator has good frequency st... |
https://en.wikipedia.org/wiki/Assimilation%20%28biology%29 | ' is the process of absorption of vitamins, minerals, and other chemicals from food as part of the nutrition of an organism. In humans, this is always done with a chemical breakdown (enzymes and acids) and physical breakdown (oral mastication and stomach churning).chemical alteration of substances in the bloodstream b... |
https://en.wikipedia.org/wiki/THE%20multiprogramming%20system | The THE multiprogramming system or THE OS was a computer operating system designed by a team led by Edsger W. Dijkstra, described in monographs in 1965-66 and published in 1968.
Dijkstra never named the system; "THE" is simply the abbreviation of "Technische Hogeschool Eindhoven", then the name (in Dutch) of the Eindh... |
https://en.wikipedia.org/wiki/Rodrigues%27%20rotation%20formula | In the theory of three-dimensional rotation, Rodrigues' rotation formula, named after Olinde Rodrigues, is an efficient algorithm for rotating a vector in space, given an axis and angle of rotation. By extension, this can be used to transform all three basis vectors to compute a rotation matrix in , the group of all ro... |
https://en.wikipedia.org/wiki/Plasmogamy | Plasmogamy is a stage in the sexual reproduction of fungi, in which the protoplasm of two parent cells (usually from the mycelia) fuse without the fusion of nuclei, effectively bringing two haploid nuclei close together in the same cell. This state is followed by karyogamy, where the two nuclei fuse and then undergo me... |
https://en.wikipedia.org/wiki/Heterokaryon | A heterokaryon is a multinucleate cell that contains genetically different nuclei. Heterokaryotic and heterokaryosis are derived terms. This is a special type of syncytium. This can occur naturally, such as in the mycelium of fungi during sexual reproduction, or artificially as formed by the experimental fusion of two ... |
https://en.wikipedia.org/wiki/Clairaut%27s%20theorem%20%28gravity%29 | Clairaut's theorem characterizes the surface gravity on a viscous rotating ellipsoid in hydrostatic equilibrium under the action of its gravitational field and centrifugal force. It was published in 1743 by Alexis Claude Clairaut in a treatise which synthesized physical and geodetic evidence that the Earth is an oblat... |
https://en.wikipedia.org/wiki/Implicit%20surface | In mathematics, an implicit surface is a surface in Euclidean space defined by an equation
An implicit surface is the set of zeros of a function of three variables. Implicit means that the equation is not solved for or or .
The graph of a function is usually described by an equation and is called an explicit re... |
https://en.wikipedia.org/wiki/Omitted-variable%20bias | In statistics, omitted-variable bias (OVB) occurs when a statistical model leaves out one or more relevant variables. The bias results in the model attributing the effect of the missing variables to those that were included.
More specifically, OVB is the bias that appears in the estimates of parameters in a regression... |
https://en.wikipedia.org/wiki/Totally%20bounded%20space | In topology and related branches of mathematics, total-boundedness is a generalization of compactness for circumstances in which a set is not necessarily closed. A totally bounded set can be covered by finitely many subsets of every fixed “size” (where the meaning of “size” depends on the structure of the ambient spac... |
https://en.wikipedia.org/wiki/Interactor | An interactor is a person who interacts with the members of the audience.
or
An interactor is an entity that natural selection acts upon.
Definition
Interactor is a concept commonly used in the field of evolutionary biology. A widely accepted theory of evolution is the theory from Charles Darwin. He states, in shor... |
https://en.wikipedia.org/wiki/Through-hole%20technology | In electronics, through-hole technology (also spelled "thru-hole") is a manufacturing scheme in which leads on the components are inserted through holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side, either by manual assembly (hand placement) or by the use of automated insertion moun... |
https://en.wikipedia.org/wiki/Neighbourhood%20%28mathematics%29 | In topology and related areas of mathematics, a neighbourhood (or neighborhood) is one of the basic concepts in a topological space. It is closely related to the concepts of open set and interior. Intuitively speaking, a neighbourhood of a point is a set of points containing that point where one can move some amount in... |
https://en.wikipedia.org/wiki/Zone%20Routing%20Protocol | Zone Routing Protocol, or ZRP is a hybrid wireless networking routing protocol that uses both proactive and reactive routing protocols when sending information over the network. ZRP was designed to speed up delivery and reduce processing overhead by selecting the most efficient type of protocol to use throughout the ... |
https://en.wikipedia.org/wiki/NT%20%28cassette%29 | NT (sometimes marketed under the name Scoopman) is a digital memo recording system introduced by Sony in 1992.
The NT system was introduced to compete with the Microcassette, introduced by Olympus, and the Mini-Cassette, by Philips.
Design
The system was an R-DAT based system which stored memos using helical scan o... |
https://en.wikipedia.org/wiki/Mutation%20rate | In genetics, the mutation rate is the frequency of new mutations in a single gene or organism over time. Mutation rates are not constant and are not limited to a single type of mutation; there are many different types of mutations. Mutation rates are given for specific classes of mutations. Point mutations are a class ... |
https://en.wikipedia.org/wiki/Banburismus | Banburismus was a cryptanalytic process developed by Alan Turing at Bletchley Park in Britain during the Second World War. It was used by Bletchley Park's Hut 8 to help break German Kriegsmarine (naval) messages enciphered on Enigma machines. The process used sequential conditional probability to infer information abou... |
https://en.wikipedia.org/wiki/Planning%20Domain%20Definition%20Language | The Planning Domain Definition Language (PDDL) is an attempt to standardize Artificial Intelligence (AI) planning languages. It was first developed by Drew McDermott and his colleagues in 1998 (inspired by STRIPS and ADL among others) mainly to make the 1998/2000 International Planning Competition (IPC) possible, and t... |
https://en.wikipedia.org/wiki/Surface-conduction%20electron-emitter%20display | A surface-conduction electron-emitter display (SED) was a display technology for flat panel displays developed by a number of companies. SEDs used nanoscopic-scale electron emitters to energize colored phosphors and produce an image. In a general sense, a SED consists of a matrix of tiny cathode-ray tubes, each "tube" ... |
https://en.wikipedia.org/wiki/Wien%20bridge%20oscillator | A Wien bridge oscillator is a type of electronic oscillator that generates sine waves. It can generate a large range of frequencies. The oscillator is based on a bridge circuit originally developed by Max Wien in 1891 for the measurement of impedances.
The bridge comprises four resistors and two capacitors. The oscilla... |
https://en.wikipedia.org/wiki/AOHell | AOHell was a Windows application that was used to simplify 'cracking' (computer hacking) using AOL. The program contained a very early use of the term phishing. It was created by a teenager under the pseudonym Da Chronic, whose expressed motivation was anger that child abuse took place on AOL without being curtailed by... |
https://en.wikipedia.org/wiki/Phase%20problem | In physics, the phase problem is the problem of loss of information concerning the phase that can occur when making a physical measurement. The name comes from the field of X-ray crystallography, where the phase problem has to be solved for the determination of a structure from diffraction data. The phase problem is al... |
https://en.wikipedia.org/wiki/Split%20exact%20sequence | In mathematics, a split exact sequence is a short exact sequence in which the middle term is built out of the two outer terms in the simplest possible way.
Equivalent characterizations
A short exact sequence of abelian groups or of modules over a fixed ring, or more generally of objects in an abelian category
is cal... |
https://en.wikipedia.org/wiki/Homeomorphism%20group | In mathematics, particularly topology, the homeomorphism group of a topological space is the group consisting of all homeomorphisms from the space to itself with function composition as the group operation. Homeomorphism groups are very important in the theory of topological spaces and in general are examples of automo... |
https://en.wikipedia.org/wiki/Accent%20kernel | Accent is an operating system kernel, most notable for being the predecessor to the Mach kernel. Originally developed at Carnegie Mellon University (CMU), Accent was influenced by the Aleph kernel developed at the University of Rochester. Accent improves upon the older kernel, fixing several problems and re-targeting... |
https://en.wikipedia.org/wiki/General-purpose%20input/output | A general-purpose input/output (GPIO) is an uncommitted digital signal pin on an integrated circuit or electronic circuit (e.g. MCUs/MPUs) board which may be used as an input or output, or both, and is controllable by software.
GPIOs have no predefined purpose and are unused by default. If used, the purpose and behavi... |
https://en.wikipedia.org/wiki/Electric%20form%20factor | The electric form factor is the Fourier transform of electric charge distribution in a nucleon. Nucleons (protons and neutrons) are made of up and down quarks which have charges associated with them (2/3 & -1/3, respectively). The study of Form Factors falls within the regime of Perturbative QCD.
The idea originated f... |
https://en.wikipedia.org/wiki/Rarita%E2%80%93Schwinger%20equation | In theoretical physics, the Rarita–Schwinger equation is the
relativistic field equation of spin-3/2 fermions in a four-dimensional flat spacetime. It is similar to the Dirac equation for spin-1/2 fermions. This equation was first introduced by William Rarita and Julian Schwinger in 1941.
In modern notation it can be ... |
https://en.wikipedia.org/wiki/Comparison%20of%20documentation%20generators | The following tables compare general and technical information for a number of documentation generators. Please see the individual products' articles for further information. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs. Not... |
https://en.wikipedia.org/wiki/Materials%20recovery%20facility | A materials recovery facility, materials reclamation facility, materials recycling facility or Multi re-use facility (MRF, pronounced "murf") is a specialized plant that receives, separates and prepares recyclable materials for marketing to end-user manufacturers. Generally, there are two different types: clean and dir... |
https://en.wikipedia.org/wiki/Equidistant | A point is said to be equidistant from a set of objects if the distances between that point and each object in the set are equal.
In two-dimensional Euclidean geometry, the locus of points equidistant from two given (different) points is their perpendicular bisector. In three dimensions, the locus of points equidistan... |
https://en.wikipedia.org/wiki/A2%20%28operating%20system%29 | A2 (formerly named Active Object System (AOS), and then Bluebottle) is a modular, object-oriented operating system with unconventional features including automatic garbage-collected memory management, and a zooming user interface. It was developed originally at ETH Zurich in 2002. It is free and open-source software un... |
https://en.wikipedia.org/wiki/List%20of%20geneticists | This is a list of people who have made notable contributions to genetics. The growth and development of genetics represents the work of many people. This list of geneticists is therefore by no means complete. Contributors of great distinction to genetics are not yet on the list.
A
Dagfinn Aarskog (1928–2014), Norw... |
https://en.wikipedia.org/wiki/Volatility%20smile | Volatility smiles are implied volatility patterns that arise in pricing financial options. It is a parameter (implied volatility) that is needed to be modified for the Black–Scholes formula to fit market prices. In particular for a given expiration, options whose strike price differs substantially from the underlying ... |
https://en.wikipedia.org/wiki/Photoelasticity | In materials science, photoelasticity describes changes in the optical properties of a material under mechanical deformation. It is a property of all dielectric media and is often used to experimentally determine the stress distribution in a material.
History
The photoelastic phenomenon was first discovered by the Sc... |
https://en.wikipedia.org/wiki/RISKS%20Digest | The RISKS Digest or Forum On Risks to the Public in Computers and Related Systems is an online periodical published since 1985 by the Committee on Computers and Public Policy of the Association for Computing Machinery. The editor is Peter G. Neumann.
It is a moderated forum concerned with the security and safety of co... |
https://en.wikipedia.org/wiki/Planar%20Systems | Planar Systems, Inc. is an American digital display manufacturing corporation with a facility in Hillsboro, Oregon. Founded in 1983 as a spin-off from Tektronix, it was the first U.S. manufacturer of electroluminescent (EL) digital displays. Planar currently makes a variety of other specialty displays, and is an indepe... |
https://en.wikipedia.org/wiki/Motion%20estimation | In computer vision and image processing, motion estimation is the process of determining motion vectors that describe the transformation from one 2D image to another; usually from adjacent frames in a video sequence. It is an ill-posed problem as the motion happens in three dimensions (3D) but the images are a projecti... |
https://en.wikipedia.org/wiki/Land%20development | Land development is the alteration of landscape in any number of ways such as:
Changing landforms from a natural or semi-natural state for a purpose such as agriculture or housing
Subdividing real estate into lots, typically for the purpose of building homes
Real estate development or changing its purpose, for examp... |
https://en.wikipedia.org/wiki/Similarity%20invariance | In linear algebra, similarity invariance is a property exhibited by a function whose value is unchanged under similarities of its domain. That is, is invariant under similarities if where is a matrix similar to A. Examples of such functions include the trace, determinant, characteristic polynomial, and the minimal... |
https://en.wikipedia.org/wiki/Ammonium%20sulfate | Ammonium sulfate (American English and international scientific usage; ammonium sulphate in British English); (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen and 24% sulfur.
Uses
The primary use of ammonium sulfate is as a fertili... |
https://en.wikipedia.org/wiki/Military%20Message%20Handling%20System | Military Message Handling System (MMHS) is a profile and set of extensions to X.400 for messaging in military environments. It is NATO standard STANAG 4406 and CCEB standard ACP 123. It adds to standard X.400 email support for military requirements such as mandatory access control (i.e. Classified/Secret/Top Secret mes... |
https://en.wikipedia.org/wiki/Proximity%20space | In topology, a proximity space, also called a nearness space, is an axiomatization of the intuitive notion of "nearness" that hold set-to-set, as opposed to the better known point-to-set notion that characterize topological spaces.
The concept was described by but ignored at the time. It was rediscovered and axiomati... |
https://en.wikipedia.org/wiki/Kruskal%E2%80%93Katona%20theorem | In algebraic combinatorics, the Kruskal–Katona theorem gives a complete characterization of the f-vectors of abstract simplicial complexes. It includes as a special case the Erdős–Ko–Rado theorem and can be restated in terms of uniform hypergraphs. It is named after Joseph Kruskal and Gyula O. H. Katona, but has been i... |
https://en.wikipedia.org/wiki/Intercellular%20adhesion%20molecule | In molecular biology, intercellular adhesion molecules (ICAMs) and vascular cell adhesion molecule-1 (VCAM-1) are part of the immunoglobulin superfamily. They are important in inflammation, immune responses and in intracellular signalling events. The ICAM family consists of five members, designated ICAM-1 to ICAM-5. Th... |
https://en.wikipedia.org/wiki/Descent%20direction | In optimization, a descent direction is a vector that points towards a local minimum of an objective function .
Computing by an iterative method, such as line search defines a descent direction at the th iterate to be any such that , where denotes the inner product. The motivation for such an approach is that sm... |
https://en.wikipedia.org/wiki/Matrix%20chain%20multiplication | Matrix chain multiplication (or the matrix chain ordering problem) is an optimization problem concerning the most efficient way to multiply a given sequence of matrices. The problem is not actually to perform the multiplications, but merely to decide the sequence of the matrix multiplications involved. The problem ma... |
https://en.wikipedia.org/wiki/Business%20object | A business object is an entity within a multi-tiered software application that works in conjunction with the data access and business logic layers to transport data.
Business objects separate state from behaviour because they are communicated across the tiers in a multi-tiered system, while the real work of the applic... |
https://en.wikipedia.org/wiki/Syntactic%20foam | Syntactic foams are composite materials synthesized by filling a metal, polymer, cementitious or ceramic matrix with hollow spheres called microballoons or cenospheres or non-hollow spheres (e.g. perlite) as aggregates. In this context, "syntactic" means "put together." The presence of hollow particles results in lower... |
https://en.wikipedia.org/wiki/International%20Karate | International Karate is a fighting game developed and published by System 3 for the ZX Spectrum in 1985 and ported to various home computers over the following years. In the United States it was published by Epyx in 1986 as World Karate Championship.
It was the first European-developed game to become a major hit in th... |
https://en.wikipedia.org/wiki/FIPS%20140 | The 140 series of Federal Information Processing Standards (FIPS) are U.S. government computer security standards that specify requirements for cryptographic modules.
, FIPS 140-2 and FIPS 140-3 are both accepted as current and active. FIPS 140-3 was approved on March 22, 2019 as the successor to FIPS 140-2 and became... |
https://en.wikipedia.org/wiki/Reversible%20computing | Reversible computing is any model of computation where the computational process, to some extent, is time-reversible. In a model of computation that uses deterministic transitions from one state of the abstract machine to another, a necessary condition for reversibility is that the relation of the mapping from states t... |
https://en.wikipedia.org/wiki/XHTML%20Friends%20Network | XHTML Friends Network (XFN) is an HTML microformat developed by Global Multimedia Protocols Group that provides a simple way to represent human relationships using links. XFN enables web authors to indicate relationships to the people in their blogrolls by adding one or more keywords as the rel attribute to their links... |
https://en.wikipedia.org/wiki/Sheet%20resistance | Sheet resistance, is the resistance of a square piece of a thin material with contacts made to two opposite sides of the square. It is usually a measurement of electrical resistance of thin films that are uniform in thickness. It is commonly used to characterize materials made by semiconductor doping, metal deposition,... |
https://en.wikipedia.org/wiki/Suzhou%20numerals | The Suzhou numerals, also known as (), is a numeral system used in China before the introduction of Hindu numerals. The Suzhou numerals are also known as (), (), (), () and ().
History
The Suzhou numeral system is the only surviving variation of the rod numeral system. The rod numeral system is a positional num... |
https://en.wikipedia.org/wiki/Jacob%20Palis |
Jacob Palis Jr. (born 15 March 1940) is a Brazilian mathematician and professor. Palis' research interests are mainly dynamical systems and differential equations. Some themes are global stability and hyperbolicity, bifurcations, attractors and chaotic systems.
Biography
Jacob Palis was born in Uberaba, Minas Gerais.... |
https://en.wikipedia.org/wiki/Comparison%20of%20DOS%20operating%20systems | This article details versions of MS-DOS, IBM PC DOS, and at least partially compatible disk operating systems. It does not include the many other operating systems called "DOS" which are unrelated to IBM PC compatibles.
Historical and licensing information
Originally MS-DOS was designed to be an operating system that... |
https://en.wikipedia.org/wiki/Translation%20management%20system | A translation management system (TMS), formerly globalization management system (GMS), is a type of software for automating many parts of the human language translation process and maximizing translator efficiency. The idea of a translation management system is to automate all repeatable and non-essential work that ca... |
https://en.wikipedia.org/wiki/DIY%20audio | DIY Audio, do it yourself audio. Rather than buying a piece of possibly expensive audio equipment, such as a high-end audio amplifier or speaker, the person practicing DIY Audio will make it themselves. Alternatively, a DIYer may take an existing manufactured item of vintage era and update or modify it. The benefits o... |
https://en.wikipedia.org/wiki/Darboux%27s%20theorem | In differential geometry, a field in mathematics, Darboux's theorem is a theorem providing a normal form for special classes of differential 1-forms, partially generalizing the Frobenius integration theorem. It is named after Jean Gaston Darboux who established it as the solution of the Pfaff problem.
It is a foundati... |
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