Distribution
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Distribution may refer to:
In mathematics, science, and technology
In mathematics
- Distribution (mathematics) In mathematical analysis, distributions are objects that generalize functions. Distributions make it possible to differentiate functions whose derivative does not exist in the classical sense. In particular, any locally integrable function has a distributional derivative. Distributions are widely used to formulate generalized solutions of partial, generalized functions used to formulate solutions of partial differential equations
- Probability distribution In probability theory and statistics, a probability distribution identifies either the probability of each value of a random variable , or the probability of the value falling within a particular interval (when the variable is continuous). The probability distribution describes the range of possible values that a random variable can attain and the, the probability of a particular values or value range of a variable
- Cumulative distribution function In probability theory and statistics, the cumulative distribution function , or just distribution function, completely describes the probability distribution of a real-valued random variable X. Cumulative distribution functions are also used to specify the distribution of multivariate random variables, in which the probability of a value is a function of that value
- Frequency distribution In statistics, a frequency distribution is a tabulation of the values that one or more variables take in a sample, a list of the values recorded in a sample
- Inner distribution and outer distribution, in coding theory
- Distribution (differential geometry), a subset of the tangent bundle of a manifold
- Distributed parameter system, systems that have an infinite-dimensional state-space
- Distribution of terms A categorical term is said to be distributed if all individual members of that category are accounted for. In a statement like "All A are either B or C", the term A is distributed, because all elements of the set A are pinpointed. The terms B and C are not distributed because there might be Bs and Cs that are not A, a situation in which all members of a category are accounted for
In science
- Complementary distribution Complementary distribution in linguistics is the relationship between two different elements, where one element is found in a particular environment and the other element is found in the opposite environment. It often indicates that two superficially different elements are in fact the same linguistic unit at a deeper level. Comparing this concept, in linguistics, a relationship between elements found in opposite environments
- Distribution (pharmacology) Distribution in pharmacology is a branch of pharmacokinetics which describes the reversible transfer of drug from one location to another within the body, the transfer of a drug within the body
- Distribution function In molecular kinetic theory in physics, a particle's distribution function is a function of seven variables, f, which gives the number of particles per unit volume in phase space. It is the number of particles having approximately the velocity (vx,vy,vz) near the place (x,y,z) and time (t). The usual normalization of the distribution function is, in physics, the number of particles per unit volume in phase space
- Population distribution Categories: Demography | Ecology | Population | , the geographical area in which a species lives
- Spectral power distribution In color science and radiometry, a spectral power distribution describes the power per unit area per unit wavelength of an illumination (radiant exitance), or more generally, the per-wavelength contribution to any radiometric quantity (radiant energy, radiant flux, radiant intensity, radiance, irradiance, radiant exitance, or radiosity), in color science, the power per unit area per unit wavelength of an illumination
- Trip distribution Trip distribution , is the second component (after trip generation, but before mode choice and route assignment) in the traditional four-step transportation forecasting model. This step matches tripmakers’ origins and destinations to develop a “trip table” a matrix that displays the number of trips going from each origin to each destination, part of the four-step transportation forecasting model
In technology and computer science
- Electricity distribution The modern distribution system begins as the primary circuit leaves the sub-station and ends as the secondary service enters the customer's meter socket. A variety of methods, materials, and equipment are used among the various utility companies, but the end result is similar. First, the energy leaves the sub-station in a primary circuit, usually, the final stage in the delivery of electricity
- Electronic brakeforce distribution Electronic brakeforce distribution or Electronic brakeforce limitation (EBL) is an automobile brake technology that automatically varies the amount of force applied to each of a vehicle's brakes, based on road conditions, speed, loading, etc. Always coupled with anti-lock braking systems, EBD can apply more or less braking pressure to each wheel, an automotive technology that varies brake force based on prevailing conditions
- Distributed computing Distributed computing is a field of computer science that studies distributed systems. A distributed system consists of multiple autonomous computers that communicate through a computer network. The computers interact with each other in order to achieve a common goal. A computer program that runs in a distributed system is called a distributed, in which a program is run on multiple networked computers
- Software distribution A software distribution, also referred to as a software distro, is a bundle of a specific software , already compiled and configured. It is generally the closest thing to a turnkey form of a usually GNU GPL, free software source code for a software. It may take the form of a Binary Distribution, an executable installer which can be downloaded from, a bundle of a specific software already compiled and configured
- Linux distribution A Linux distribution is a member of the family of Unix-like software distributions built on top of the Linux kernel. Such distributions (often called distros for short) consist of a large collection of software applications such as word processors, spreadsheets, media players and database applications. The operating system will consist of the, one of several distributions built on the Linux kernel
- Distribution (concurrency) In mathematics and computer science, a history monoid is a way of representing the histories of concurrently running computer processes as a collection of strings, each string representing the individual history of a process. The history monoid provides a set of synchronization primitives for providing rendezvous points between a set of, the projection operator in a history monoid, a representation of the histories of concurrent computer processes
- Key distribution center In cryptography, a key distribution center is part of a cryptosystem intended to reduce the risks inherent in exchanging keys. KDCs often operate in systems within which some users may have permission to use certain services at some times and not at others, part of a cryptosystem intended to reduce the risks inherent in exchanging keys
- Content distribution, publishing and web design as method to provide information
- Digital distribution Digital distribution, digital delivery or electronic software distribution is the practice of delivering content without the use of physical media, typically by downloading via the internet straight to a consumer's home. Digital distribution bypasses conventional physical distribution media, such as paper or DVDs. The term digital distribution is, publishing media digitally
- Distribution of elements in the distributed element model of electric circuits
In economics
- Distribution (economics) Distribution in economics refers to the way total output or income is distributed among individuals or among the factors of production (Samuelson and Nordhaus, 2001, p. 762). In general theory and the national income and product accounts, each unit of output corresponds to a unit of income. One use of national accounts is for classifying factor, distribution of income or output among individuals or factors of production
- Distribution (business) Physical distribution is one of the four elements of the marketing mix. An organization or set of organizations (go-betweens) involved in the process of making a product or service available for use or consumption by a consumer or business user, or place, one of the four elements of marketing mix
- Distribution of wealth The distribution of wealth is a comparison of the wealth of various members or groups in a society. It differs from the distribution of income in that it looks at the distribution of ownership of the assets in a society, rather than then current income of members of that society, among members in a society
- Division of property Division of property, also known as equitable distribution, is a judicial division of property rights and obligations between spouses during divorce. It may be done by agreement, through a property settlement, or by judicial decree, or equitable distribution, of property between spouses during divorce
- Food distribution Food distribution, a method of distributing or transporting food or drink from one place to another, is a very important factor in public nutrition. Where it breaks down, famine, malnutrition or illness can occur. During some periods of Ancient Rome, food distribution occurred with the policy of giving free bread to its citizens under the, methods of transporting food
- Good distribution practice Good Distribution Practice or GDP deals with the guidelines for the proper distribution of medicinal products for human use. GDP is a quality warranty system, which includes requirements for purchase, receiving, storage and export of drugs intended for human consumption, guidelines for distribution of medicines
Other uses
- Film distributor A film distributor or distribbery is an independent company, a subsidiary company or occasionally an individual, which acts as the final agent between a film production company or some intermediary agent, and a film exhibitor, to the end of securing placement of the producer's film on the exhibitor's screen. In the film business, the term ", an agent between a film producer and an exhibitor
- Purse distribution In horse racing, the term purse distribution may refer to the total amount of money paid out to the owners of horses racing at a particular track over a given period of time, or to the percentages of a race's total purse that are awarded to each of the highest finishers. This article focuses on the latter definition, in a horse race, the distribution of winnings among the highest finishers
- Record distribution, process of shipping and promoting record labels
- Distribution Select Distribution Select is a Canadian record and video distributor based in Montreal, Quebec in 1965 as Disques Select. It is a wholly-owned division of Quebecor Media, a Canadian record and video label
See also
- Distributor (disambiguation)
- Apportionment The legal term apportionment means distribution or allotment in proper shares
- Range (disambiguation)
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