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In thermodynamics , entropy (usual symbol S) is a measure of the number of specific ways in which a thermodynamic system may be arranged,Entropy (information theory) (7,746 words) [view diff] no match in snippet view article find links to article...

In information theory , entropy is the average amount of information contained in each message received. Here, 'message' stands for anEntropy (statistical thermodynamics) (2,466 words) [view diff] no match in snippet view article find links to article...

In classical statistical mechanics , the entropy function earlier introduced by Clausius is changed to statistical entropy usingDifferential entropy (2,945 words) [view diff] no match in snippet view article find links to article...

Differential entropy (also referred to as continuous entropy) is a concept in information theory that extends the idea of (Shannon) entropyVon Neumann entropy (2,142 words) [view diff] no match in snippet view article find links to article...

In quantum statistical mechanics , the von Neumann entropy, named after John von Neumann , is the extension of classical Gibbs entropyEntropy (arrow of time) (5,091 words) [view diff] no match in snippet view article find links to article...

Entropy is the only quantity in the physical sciences (apart from certain rare interactions in particle physics; see below) that requires aEntropy of mixing (4,255 words) [view diff] no match in snippet view article find links to article...

In thermodynamics the entropy of mixing is the increase in the total entropy when several initially separate systems of differentEntropy (Buffy the Vampire Slayer) (1,714 words) [view diff] no match in snippet view article find links to article...

"Entropy" is the 18th episode of season 6 of the television series Buffy the Vampire Slayer . Plot synopsis: The Trio , riding ATVs , pursueEntropy (film) (160 words) [view diff] no match in snippet view article find links to article...

Entropy is a 1999 film directed by Phil Joanou , starring Stephen Dorff and featuring the Irish rock band U2 . The film is largelyEntropy (order and disorder) (2,881 words) [view diff] no match in snippet view article find links to article...

In thermodynamics, entropy is commonly associated with the amount of order, disorder, and/or chaos in a thermodynamic system .Entropy (computing) (1,833 words) [view diff] no match in snippet view article find links to article...

In computing , entropy is the randomness collected by an operating system or application for use in cryptography or other uses thatFree entropy (1,156 words) [view diff] no match in snippet view article find links to article...

A thermodynamic free entropy is an entropic thermodynamic potential analogous to the free energy . Also known as a Massieu, Planck, orEntropy (classical thermodynamics) (2,449 words) [view diff] no match in snippet view article find links to article...

Entropy is a property of thermodynamical systems invented by Rudolf Clausius who named it from the Greek word τρoπή, "transformation".Entropy and life (3,122 words) [view diff] no match in snippet view article find links to article...

Research concerning the relationship between the thermodynamic quantity entropy and the evolution of life began around the turn of theHeat death of the universe (2,408 words) [view diff] no match in snippet view article find links to article...

In the language of physics , this is when the universe reaches thermodynamic equilibrium (maximum entropy ). The hypothesis of heatLoop entropy (325 words) [view diff] no match in snippet view article find links to article...

Loop entropy is the entropy lost upon bringing together two residues of a polymer within a prescribed distance. the entropy variesBlack hole thermodynamics (2,198 words) [view diff] no match in snippet view article find links to article...

The black hole entropy is proportional to the area of its event horizon A. The fact that the black hole entropy is also the maximalEntropy (anonymous data store) (310 words) [view diff] no match in snippet view article find links to article...

Entropy was a decentralized, peer-to-peer communication network designed to be resistant to censorship , much like Freenet .Social entropy (588 words) [view diff] no match in snippet view article find links to article...

Social entropy is a macrosociological systems theory . It is a measure of the natural decay within a social system . It can refer to theEntropy / Send Them (1,086 words) [view diff] no match in snippet view article find links to article...

"Send Them/Entropy (Hip Hop Reconstruction from the Ground Up)", is a double A side EP by Asia Born (now known as Lyrics Born) and DJEntropy (1977 board game) (396 words) [view diff] no match in snippet view article find links to article...

Entropy is a two-player abstract strategic game designed by Eric Solomon in 1977. The game is sold commercially under the names Hyle (forMeasure-preserving dynamical system (1,228 words) [view diff] no match in snippet view article find links to article...

Measure-theoretic entropy: The entropy of a partition Q is defined as: H(Q)-\sum_m 1^k \mu (Q_m) \log \mu(Q_m). measure-theoretic entropy of aEntropy (journal) (519 words) [view diff] no match in snippet view article find links to article...

Entropy is a peer-reviewed open access scientific journal covering research on all aspects of entropy and information studies .Entropy (comics) (441 words) [view diff] no match in snippet view article find links to article...

Entropy is a Cosmic Entity in the Marvel Comics Universe who possesses Nigh-Omnipotence . A representation of Eternity formed at theKrona (comics) (3,503 words) [view diff] no match in snippet view article find links to article...

Krona later resurfaces as the manifestation of Entropy itself and battles the New Guardians Cross-universal threat: JLA/AvengersEntropy (1994 board game) (138 words) [view diff] no match in snippet view article find links to article...

Entropy is a board game by Augustine Carreno published in 1994 . It is played on a square board divided into 5×5 cells with seven blackSabayon Linux (2,469 words) [view diff] no match in snippet view article find links to article...

Sabayon Linux features a rolling release cycle, its own software repository and a package management system called Entropy.Rényi entropy (2,019 words) [view diff] no match in snippet view article find links to article...

In information theory , the Rényi entropy generalizes the Shannon entropy , the Hartley entropy , the min-entropy, and the collision entropySecond law of thermodynamics (10,327 words) [view diff] no match in snippet view article find links to article...

The second law of thermodynamics states that the entropy of an isolated system never decreases, because isolated systems always evolveStandard molar entropy (498 words) [view diff] no match in snippet view article find links to article...

In chemistry , the standard molar entropy is the entropy content of one mole of substance, under standard conditions (not standardEntropy encoding (353 words) [view diff] no match in snippet view article find links to article...

In information theory an entropy encoding is a lossless data compression scheme that is independent of the specific characteristics ofEntropy of fusion (305 words) [view diff] no match in snippet view article find links to article...

The entropy of fusion is the increase in entropy when melting a substance. This is almost always positive since the degree of disorderEntropy of vaporization (202 words) [view diff] no match in snippet view article find links to article...

The entropy of vaporization is the increase in entropy upon vaporization of a liquid. This is always positive since the degree ofConditional entropy (802 words) [view diff] no match in snippet view article find links to article...

In information theory , the conditional entropy (or equivocation) quantifies the amount of information needed to describe the outcome of aTsallis entropy (876 words) [view diff] no match in snippet view article find links to article...

In physics, the Tsallis entropy is a generalization of the standard Boltzmann–Gibbs entropy . It was introduced in 1988 by ConstantinoPrinciple of maximum entropy (3,317 words) [view diff] no match in snippet view article find links to article...

The principle of maximum entropy states that, subject to precisely stated prior data (such as a proposition that expresses testableConformational entropy (500 words) [view diff] no match in snippet view article find links to article...

Conformational entropy is the entropy associated with the physical arrangement of a polymer chain that assumes a compact or globularJoint entropy (390 words) [view diff] no match in snippet view article find links to article...

Joint entropy is a measure of the uncertainty associated with a set of variables . Definition: The joint Shannon entropy of two variables XConfiguration entropy (471 words) [view diff] no match in snippet view article find links to article...

In statistical mechanics , configuration entropy is the portion of a system's entropy that is related to the position of its constituentCross entropy (708 words) [view diff] no match in snippet view article find links to article...

In information theory , the cross entropy between two probability distribution s measures the average number of bit s needed to identify anConditional quantum entropy (467 words) [view diff] no match in snippet view article find links to article...

The conditional quantum entropy is an entropy measure used in quantum information theory . conditional entropy of classical information theory .Topological entropy (961 words) [view diff] no match in snippet view article find links to article...

In mathematics , the topological entropy of a topological dynamical system is a nonnegative real number that is a measure of theMaximum entropy thermodynamics (3,836 words) [view diff] no match in snippet view article find links to article...

In physics , maximum entropy thermodynamics (colloquially, MaxEnt thermodynamics ) views equilibrium thermodynamics and statisticalEntropy (energy dispersal) (2,723 words) [view diff] no match in snippet view article find links to article...

The description of entropy as energy dispersal provides an introductory method of teaching the thermodynamic concept of entropy .Maximum entropy probability distribution (1,793 words) [view diff] no match in snippet view article find links to article...

In statistics and information theory , a maximum entropy probability distribution is a probability distribution whose entropy is atBoltzmann's entropy formula (1,087 words) [view diff] no match in snippet view article find links to article...

In statistical mechanics , Boltzmann's equation is a probability equation relating the entropy S of an ideal gas to the quantity W, whichResidual entropy (589 words) [view diff] no match in snippet view article find links to article...

Residual entropy is the difference in entropy between a non-equilibrium state and crystal state of a substance close to absolute zero .Negentropy (1,469 words) [view diff] no match in snippet view article find links to article...

The negentropy, also negative entropy or syntropy or extropy or entaxy of a living system is the entropy that it exports to keep its ownEntropy rate (330 words) [view diff] no match in snippet view article find links to article...

In the mathematical theory of probability , the entropy rate or source information rate of a stochastic process is, informally, the timeEntropy monitoring (468 words) [view diff] no match in snippet view article find links to article...

Entropy monitoring is a method of assessing anaesthetic depth . It was commercially developed by Datex-Ohmeda, now part of GE Healthcare .History of entropy (2,759 words) [view diff] no match in snippet view article find links to article...

The concept of entropy developed in response to the observation that a certain amount of functional energy released from combustionSoftware entropy (311 words) [view diff] no match in snippet view article find links to article...

A work on software engineering by Ivar Jacobson et al describes software entropy as follows: The second law of thermodynamics , inBinary entropy function (550 words) [view diff] no match in snippet view article find links to article...

In information theory , the binary entropy function, denoted H(p) \, or H_\mathrm b(p) \, is defined as the entropy of a Bernoulli processKullback–Leibler divergence (5,764 words) [view diff] no match in snippet view article find links to article...

(also information divergence, information gain , relative entropy, or KLIC; here abbreviated as KL divergence) is a non-symmetric measureIntroduction to entropy (3,111 words) [view diff] no match in snippet view article find links to article...

The idea of "irreversibility " is central to the understanding of entropy . Everyone has an intuitive understanding of irreversibility (aTransfer entropy (880 words) [view diff] no match in snippet view article find links to article...

Transfer entropy is a non-parametric statistic measuring the amount of directed (time-asymmetric) transfer of information between twoEntropy power inequality (383 words) [view diff] no match in snippet view article find links to article...

In mathematics , the entropy power inequality is a result in information theory that relates to so-called "entropy power" of randomMin entropy (1,292 words) [view diff] no match in snippet view article find links to article...

The min entropy is a conditional information measure. It is a one-shot analogue of the conditional quantum entropy . To interpret aJoint quantum entropy (710 words) [view diff] no match in snippet view article find links to article...

The joint quantum entropy generalizes the classical joint entropy to the context of quantum information theory . joint quantum entropy is aVolume entropy (607 words) [view diff] no match in snippet view article find links to article...

The volume entropy is an asymptotic invariant of a compact Riemannian manifold that measures the exponential growth rate of the volume ofApproximate entropy (1,698 words) [view diff] no match in snippet view article find links to article...

In statistics , an approximate entropy (ApEn) is a technique used to quantify the amount of regularity and the unpredictability ofBeyond Entropy (995 words) [view diff] no match in snippet view article find links to article...

Beyond Entropy is a London-based non-profit limited company practicing architecture, urbanism, and cultural analysis. The company evolvedTemperature–entropy diagram (360 words) [view diff] no match in snippet view article find links to article...

A temperature entropy diagram, or T-s diagram, is used in thermodynamics to visualize changes to temperature and specific entropy duringNonextensive entropy (109 words) [view diff] no match in snippet view article find links to article...

Entropy is considered to be an extensive property , i.e., Tsallis has proposed a nonextensive entropy (Tsallis entropy ), which is aThermodynamics (13,810 words) [view diff] no match in snippet view article find links to article...

It defines macroscopic variables, such as internal energy , entropy , and pressure , that partly describe a body of matter or radiation.Entropy maximization (137 words) [view diff] no match in snippet view article find links to article...

An entropy maximization problem is a convex optimization problem of the form: maximize f_0(\vec x) - \sum_i 1^n x_i \log x_i :Quantum relative entropy (1,406 words) [view diff] no match in snippet view article find links to article...

In quantum information theory , quantum relative entropy is a measure of distinguishability between two quantum states . relative entropy .Cross-entropy method (970 words) [view diff] no match in snippet view article find links to article...

The cross-entropy (CE) method attributed to Reuven Rubinstein is a general Monte Carlo approach to combinatorial and continuous multi-Entropy estimation (1,070 words) [view diff] no match in snippet view article find links to article...

manifold learning and time delay estimation it is useful to estimate the differential entropy of a system or process, given some observations.Generalized relative entropy (1,304 words) [view diff] no match in snippet view article find links to article...

Generalized relative entropy (\epsilon-relative entropy) is a measure of dissimilarity between two quantum states . relative entropy andEntropy (album) (100 words) [view diff] no match in snippet view article find links to article...

Entropy is a split vinyl album by Anathallo and Javelins . Each band has one song featured on the album, released in 2005 on PotentialLinear entropy (305 words) [view diff] no match in snippet view article find links to article...

In quantum mechanics , and especially quantum information theory , the linear entropy or impurity of a state is a scalar defined as:Wehrl entropy (350 words) [view diff] no match in snippet view article find links to article...

In quantum information theory, the Wehrl entropy named after A. Wehrl, is a type of quasi- entropy defined for the Husimi Q representationEnthalpy–entropy chart (1,022 words) [view diff] no match in snippet view article find links to article...

An enthalpy–entropy chart, also known as the h–s chart or Mollier diagram, plots the total heat against entropy, describing the enthalpyTopological entropy in physics (349 words) [view diff] no match in snippet view article find links to article...

The topological entanglement entropy KitaevPreskill LevinWen, usually denoted by γ, is a number characterizing many-body states that possessEntropy in thermodynamics and information theory (3,489 words) [view diff] no match in snippet view article find links to article...

There are close parallels between the mathematical expressions for the thermodynamic entropy , usually denoted by S, of a physical system inEntropic explosion (400 words) [view diff] no match in snippet view article find links to article...

An entropic explosion is an explosion in which the reactant s undergo a large change in volume without releasing a large amount of heat.Enthalpy-entropy compensation (2,557 words) [view diff] no match in snippet view article find links to article...

Enthalpy-entropy compensation is a specific example of the compensation effect. The compensation effect refers to the behavior of a seriesGeneralized entropy index (456 words) [view diff] no match in snippet view article find links to article...

The generalized entropy index is a general formula for measuring redundancy in data. The redundancy can be viewed as inequality, lack ofMaximum-entropy Markov model (986 words) [view diff] no match in snippet view article find links to article...

In machine learning , a maximum-entropy Markov model (MEMM), or conditional Markov model (CMM), is a graphical model for sequence labelingPort Entropy (148 words) [view diff] no match in snippet view article find links to article...

Port Entropy is the fourth studio album from Japanese multi-instrumentalist Shugo Tokumaru . It was released on April 21, 2010 on P-VineMaximum entropy spectral estimation (449 words) [view diff] no match in snippet view article find links to article...

Maximum entropy spectral estimation is a method of spectral density estimation . spectral quality based on the principle of maximum entropy .Entropy exchange (116 words) [view diff] no match in snippet view article find links to article...

In quantum mechanics , and especially quantum information processing , the entropy exchange of a quantum operation \phi \, acting on theEntropy of activation (122 words) [view diff] no match in snippet view article find links to article...

The entropy of activation is one of the two parameters typically obtained from the temperature dependence of a reaction rate, when theseThe Entropy Effect (871 words) [view diff] no match in snippet view article find links to article...

The Entropy Effect is a novel by Vonda N. McIntyre set in the fictional Star Trek Universe. It was originally published in 1981 byThe Entropy Tango (243 words) [view diff] no match in snippet view article find links to article...

The Entropy Tango is a novel by British fantasy and science fiction writer Michael Moorcock It is part of his long running Jerry CorneliusBoltzmann constant (2,409 words) [view diff] no match in snippet view article find links to article...

It has the same dimension (energy divided by temperature ) as entropy . The accepted value in SI units is 1.3806488 | (13) | e-23 | u JStrong Subadditivity of Quantum Entropy (2,934 words) [view diff] no match in snippet view article find links to article...

Strong subadditivity of entropy (SSA) was long known and appreciated in classical probability theory and information theory. mechanicalEntropy of entanglement (199 words) [view diff] no match in snippet view article find links to article...

The entropy of entanglement is an entanglement measure for a bipartite pure states. It is defined as the von Neumann entropy of one ofParadigm in Entropy (178 words) [view diff] no match in snippet view article find links to article...

Paradigm in Entropy is the debut album by the California based metal music group Bleed the Sky . The album was released on April 19,Braunstein-Ghosh-Severini Entropy (139 words) [view diff] no match in snippet view article find links to article...

In network theory , the Braunstein-Ghosh-Severini entropy (BGS entropy) of a network is the von Neumann entropy of a density matrix givenNon-equilibrium thermodynamics (6,480 words) [view diff] no match in snippet view article find links to article...

Another fundamental difference is the difficulty in defining entropy in macroscopic terms for systems not in thermodynamic equilibriumUncertainty coefficient (619 words) [view diff] no match in snippet view article find links to article...

In statistics , the uncertainty coefficient, also called proficiency, entropy coefficient or Theil's U, is a measure of nominal associationEntropy (video game) (354 words) [view diff] no match in snippet view article find links to article...

Entropy is a space MMORPG video game developed by the Norwegian game studio Artplant The company is known for creating the MMORPGBeyond Undeniable Entropy (230 words) [view diff] no match in snippet view article find links to article...

Beyond Undeniable Entropy is the debut EP by Spanish extreme metal band Hybrid , originally released in 2006 by Deadwrong Records a sixRecurrence period density entropy (919 words) [view diff] no match in snippet view article find links to article...

Recurrence period density entropy (RPDE) is a method, in the fields of dynamical systems , stochastic processes , and time series analysisOrders of magnitude (entropy) (231 words) [view diff] no match in snippet view article find links to article...

The following list shows different orders of magnitude of entropy . |− 1)! Value! Item |− 24−24 J K. 1 k ln 2 | 1−1 mole of graphite |Spectral flatness (575 words) [view diff] no match in snippet view article find links to article...

Spectral flatness or tonality coefficient also known as Wiener entropy is a measure used in digital signal processing to characterize anBekenstein bound (2,296 words) [view diff] no match in snippet view article find links to article...

NOTOC_In physics , the Bekenstein bound is an upper limit on the entropy S, or information I, that can be contained within a given finiteExtremal principles in non-equilibrium thermodynamics (3,992 words) [view diff] no match in snippet view article find links to article...

Energy dissipation and entropy production extremal principles are ideas developed within non-equilibrium thermodynamics that attempt toMutual information (4,256 words) [view diff] no match in snippet view article find links to article...

As a result, in this case the mutual information is the same as the uncertainty contained in Y (or X) alone, namely the entropy of Y (orEntropy: A New World View (226 words) [view diff] no match in snippet view article find links to article...

Entropy: A New World View is a non-fiction book by Jeremy Rifkin and Ted Howard , with an Afterword by Nicholas Georgescu-Roegen .Sackur–Tetrode equation (820 words) [view diff] no match in snippet view article find links to article...

The Sackur–Tetrode equation is an expression for the entropy of a monatomic classical ideal gas which incorporates quantumInformation theory (5,570 words) [view diff] no match in snippet view article find links to article...

The joint entropy of two discrete random variables X and Y is merely the entropy of their pairing: (X, Y). This implies that if X and YLaws of thermodynamics (2,664 words) [view diff] no match in snippet view article find links to article...

The four laws of thermodynamics define fundamental physical quantities (temperature , energy , and entropy ) that characterizeThe English Assassin: A Romance of Entropy (365 words) [view diff] no match in snippet view article find links to article...

The English Assassin: A Romance of Entropy is a novel by British fantasy and science fiction writer Michael Moorcock http://www.Bousso's holographic bound (299 words) [view diff] no match in snippet view article find links to article...

A simple generalization of the Black Hole entropy bound (cf. holographic principle ) to generic systems is that, in quantum gravity , theMinimal-entropy martingale measure (203 words) [view diff] no match in snippet view article find links to article...

In probability theory , the minimal-entropy martingale measure (MEMM) is the risk-neutral probability measure that minimises the entropyHolographic principle (3,813 words) [view diff] no match in snippet view article find links to article...

The holographic principle was inspired by black hole thermodynamics , which conjectures that the maximal entropy in any region scales withDiversity index (2,717 words) [view diff] no match in snippet view article find links to article...

The Shannon entropy quantifies the uncertainty (entropy or degree of surprise) associated with this prediction. It is most oftenThe Entropy Influence Conjecture (251 words) [view diff] no match in snippet view article find links to article...

This article describes the The Entropy Influence Conjecture. The Conjecture: For a function f: \-1,1\^n \to \-1,1\ \! the Entropy-Password strength (6,105 words) [view diff] no match in snippet view article find links to article...

Entropy as a measure of password strength: password strength in terms of information entropy , measured in bits, a concept from information theory .Temperature (11,708 words) [view diff] no match in snippet view article find links to article...

In particular, when the body is described by stating its internal energy U, an extensive variable, as a function of its entropy S, alsoGibbs free energy (4,326 words) [view diff] no match in snippet view article find links to article...

Thus the entropy released or absorbed by the system is actually the entropy that the environment must absorb or release respectively.Information diagram (217 words) [view diff] no match in snippet view article find links to article...

entropy , joint entropy , conditional entropy and mutual information Information diagrams are a useful pedagogical tool for teaching andHardware random number generator (5,026 words) [view diff] no match in snippet view article find links to article...

Estimating entropy: Entropy estimation. There are mathematical techniques for estimating the entropy of a sequence of symbols. None are soHeat (8,339 words) [view diff] no match in snippet view article find links to article...

Entropy: Entropy. File:Clausius-1.jpg | Rudolf Clausius In 1856, German physicist Rudolf Clausius , referring to closed systems, in whichSelf-information (854 words) [view diff] no match in snippet view article find links to article...

The term self-information is also sometimes used as a synonym of entropy , i.e. the expected value of self-information in the first senseMultinomial logistic regression (4,792 words) [view diff] no match in snippet view article find links to article...

multiclass LR, multinomial regression softmax regression, multinomial logit, maximum entropy (MaxEnt) classifier, conditional maximum entropy modelKolmogorov complexity (4,554 words) [view diff] no match in snippet view article find links to article...

Kolmogorov–Chaitin complexity, algorithmic entropy, or program-size complexity) of an object, such as a piece of text, is a measure ofEntropic force (1,608 words) [view diff] no match in snippet view article find links to article...

In physics , an entropic force acting in a system is a phenomenological force resulting from the entire system's statistical tendency toHartley function (591 words) [view diff] no match in snippet view article find links to article...

It is also known as the Hartley entropy. Hartley function, Shannon's entropy, and Rényi entropy: with the Shannon entropy (as well as withEntropy (Hip Hop Reconstruction from the Ground Up) (480 words) [view diff] no match in snippet view article find links to article...

Entropy (Hip Hop Reconstruction from the Ground up), is a B-side of 12" vinyl record that coupling of Asia Born and DJ Shadow and thePaul Erlich (439 words) [view diff] no match in snippet view article find links to article...

His invention of harmonic entropy has received significant attention from music theorists such as William Sethares . It is intended toIdeal gas (2,899 words) [view diff] no match in snippet view article find links to article...

Since the entropy is an exact differential , using the chain rule , the change in entropy when going from a reference state 0 to some otherThermoeconomics (892 words) [view diff] no match in snippet view article find links to article...

Thermoeconomists argue that economic systems always involve matter , energy , entropy , and information Moreover, the aim of many economicMinkowski–Bouligand dimension (1,439 words) [view diff] no match in snippet view article find links to article...

The logarithm of the packing and covering numbers are sometimes referred to as entropy numbers, and are somewhat analogous to the conceptsEntropic gravity (1,413 words) [view diff] no match in snippet view article find links to article...

Entropic gravity is a theory in modern physics that describes gravity as an entropic force ; not a fundamental interaction mediated byThird law of thermodynamics (3,113 words) [view diff] no match in snippet view article find links to article...

Entropy is related to the number of possible microstate s, and for a system containing a certain collection of particles, quantumFluctuation theorem (2,829 words) [view diff] no match in snippet view article find links to article...

The fluctuation theorem (FT), which originated from statistical mechanics , deals with the relative probability that the entropy of aEnthalpy (5,184 words) [view diff] no match in snippet view article find links to article...

Enthalpy of ideal gases and incompressible solids and liquids does not depend on pressure, unlike entropy and Gibbs energy .Towards the End of the Morning (290 words) [view diff] no match in snippet view article find links to article...

A central theme of the book is Dyson's struggle against what he sees as encroaching entropy - indeed, the book was published in the UnitedEntropic uncertainty (1,645 words) [view diff] no match in snippet view article find links to article...

In quantum mechanics , information theory , and Fourier analysis , the entropic uncertainty or Hirschman uncertainty is defined as the sumQuantum entanglement (8,606 words) [view diff] no match in snippet view article find links to article...

Another way to say this is that while the von Neumann entropy of the whole state is zero (as it is for any pure state), the entropy ofAbsolute zero (3,192 words) [view diff] no match in snippet view article find links to article...

Absolute zero is the lower limit of the thermodynamic temperature scale, a state at which the enthalpy and entropy of a cooled ideal gasRudolf Clausius (1,739 words) [view diff] no match in snippet view article find links to article...

In 1865 he introduced the concept of entropy . In 1870 he introduced the virial theorem which applied to heat Life: Clausius was born inFour-vector (5,877 words) [view diff] no match in snippet view article find links to article...

Four-entropy : The 4- entropy vector is defined by:\ mathbf s s\mathbf S + \frac\mathbf Q T. where s is the entropy per baryon, and T theTsallis distribution (293 words) [view diff] no match in snippet view article find links to article...

In statistics , a Tsallis distribution is a probability distribution derived from the maximization of the Tsallis entropy underArithmetic coding (5,339 words) [view diff] no match in snippet view article find links to article...

Arithmetic coding is a form of entropy encoding used in lossless data compression . Normally, a string of characters such as the words "Christopher Locke (638 words) [view diff] no match in snippet view article find links to article...

Christopher Locke (born November 12, 1947) is a widely read blogger , author and the editor of the Entropy Gradient Reversals e-newsletterBlack hole (14,083 words) [view diff] no match in snippet view article find links to article...

Entropy and thermodynamics: Black hole thermodynamics. File:BHentropy. svg | The formula for the Bekenstein–Hawking entropy (S) of a black holeH-theorem (3,103 words) [view diff] no match in snippet view article find links to article...

ideal gas of molecules As this quantity H was meant to represent the entropy of thermodynamics, the H-theorem was an early demonstrationEntropic vector (1,060 words) [view diff] no match in snippet view article find links to article...

The entropic vector or entropic function is a concept arising in information theory . Shannon 's information entropy measures and theirEnergy (8,162 words) [view diff] no match in snippet view article find links to article...

where the first term on the right is the heat transferred into the system, expressed in terms of temperature T and entropy S (in whichGibbs paradox (4,832 words) [view diff] no match in snippet view article find links to article...

In statistical mechanics , a semi-classical derivation of the entropy that does not take into account the indistinguishability of particlesStatistical mechanics (5,174 words) [view diff] no match in snippet view article find links to article...

Maximum information entropy : A more elaborate version of the principle of indifference states that the correct ensemble is the ensembleLeanne Frahm (717 words) [view diff] no match in snippet view article find links to article...

"Entropy" (1995) in Bonescribes: Year's Best Australian Horror: 1995 (ed. Bill Congreve , Robert Hood )" "Borderline " (1996) in BorderlinePsychodynamics (2,706 words) [view diff] no match in snippet view article find links to article...

File:Hall Freud Jung in front of Clark 1909. jpg | Front row: Sigmund Freud , G. Stanley Hall , Carl Jung ; Back row: Abraham A. Brill ,Entropic security (431 words) [view diff] no match in snippet view article find links to article...

Note that in practice entropically-secure encryption algorithms are only "secure" provided that the message distribution possesses highEntropic Communications (1,139 words) [view diff] no match in snippet view article find links to article...

In March of 2014, Entropic's CEO Patrick Henry was charged with three misdemeanors: assault, damage of a communication device, andJude the Entropic Man (613 words) [view diff] no match in snippet view article find links to article...

He can also entrance people to allow his entropic powers to turn them to dust. Other versions Paradise X: In the alternate universe commonlyContext-adaptive binary arithmetic coding (1,161 words) [view diff] no match in snippet view article find links to article...

Context-adaptive binary arithmetic coding (CABAC) is a form of entropy encoding used in the H.264/MPEG-4 AVC and High Efficiency VideoEntropic risk measure (464 words) [view diff] no match in snippet view article find links to article...

In financial mathematics , the entropic risk measure is a risk measure which depends on the risk aversion of the user through theContext-adaptive variable-length coding (697 words) [view diff] no match in snippet view article find links to article...

Context-adaptive variable-length coding (CAVLC) is a form of entropy coding used in H.264/MPEG-4 AVC video encoding. all entropy-coders.Isentropic process (1,516 words) [view diff] no match in snippet view article find links to article...

In thermodynamics , an isentropic process or isoentropic process (ισον "equal" (Greek); εντροπία entropy "disorder"(Greek) is one in whichThermodynamic system (4,360 words) [view diff] no match in snippet view article find links to article...

state variables to include non-zero fluxes, that describe transfers of matter or energy or entropy between a system and its surroundingsEntropic value at risk (1,754 words) [view diff] no match in snippet view article find links to article...

Because of its connection with the VaR and the relative entropy, this risk measure is called "entropic value-at-risk". The EVaR wasArcwelder (554 words) [view diff] no match in snippet view article find links to article...

Albums : Entropy (Touch and Go, 1996) Everest (Touch and Go, 1999 7" Singles ": "Pint Of Blood" b/w "Define My Life" (Sonic Boom Records, 1988Partial molar property (1,331 words) [view diff] no match in snippet view article find links to article...

where P is the pressure, V the volume , T the temperature, and S the entropy . Differential form of the thermodynamic potentialsArrow of time (2,589 words) [view diff] no match in snippet view article find links to article...

that nature shows a bias for collapsing wave functions into higher entropy states versus lower ones, and the claim that this is merely dueThermodynamic databases for pure substances (4,004 words) [view diff] no match in snippet view article find links to article...

databases contain information about thermodynamic properties for substances, the most important being enthalpy , entropy , and Gibbs free energy .Density matrix (4,080 words) [view diff] no match in snippet view article find links to article...

This entropy can increase but never decrease with a projective measurement, however generalised measurements can decrease entropy TheTheil index (1,367 words) [view diff] no match in snippet view article find links to article...

Theil index T T is the same as redundancy in information theory which is the maximum possible entropy of the data minus the observed entropy.Dissipation (782 words) [view diff] no match in snippet view article find links to article...

These processes produce entropy (see entropy production ) at a certain rate. The entropy production rate times ambient temperature givesBeta distribution (34,188 words) [view diff] no match in snippet view article find links to article...

alpha \beta (\alpha + \beta + 2) (\alpha + \beta + 3) | entropy \begin matrix\ln\Beta(\alpha,\beta)-(\alpha-1)\psi(\alpha)-(\beta-1)\psiCatherine (metalcore band) (447 words) [view diff] no match in snippet view article find links to article...

Discography: 2005 A Call To Entropy. Track listing " "Reach For The Sky" (Demo) – 0:39 " "Evil Man, Dead Man" (Demo) – 4:00 " "Denigration MakesMaxwell's demon (3,518 words) [view diff] no match in snippet view article find links to article...

average molecules to the other side, causing the favored side to gradually heat up while the other side cools down, thus decreasing entropy .Heat capacity (13,030 words) [view diff] no match in snippet view article find links to article...

capacity relates the logarithmic increase in temperature to the increase in the dimensionless entropy per particle S^* S / Nk , measured in nat s.:Irreversible process (1,843 words) [view diff] no match in snippet view article find links to article...

However, because entropy is a state function, the change in entropy of a system is the same whether the process is reversible orIncome inequality metrics (6,009 words) [view diff] no match in snippet view article find links to article...

As an example, Amartya Sen commented on the Theil index, "given the association of doom with entropy in the context of thermodynamics, itBinomial distribution (3,701 words) [view diff] no match in snippet view article find links to article...

kurtosis \frac 1-6p(1-p)np(1-p) | entropy \frac12 \log_2 \big( 2\pi e\, np(1-p) \big) + O \left( \frac 1 n \right) | mgf (1-p + pe^t)^nReversible process (thermodynamics) (883 words) [view diff] no match in snippet view article find links to article...

means of infinitesimal changes in some property of the system without entropy production (i.e. dissipation of energy Due to theseCarnot cycle (2,559 words) [view diff] no match in snippet view article find links to article...

The temperature-entropy diagram : File:CarnotCycle1. illustrated on a temperature-entropy diagram. The cycle takes place between a hotList of thermodynamic properties (488 words) [view diff] no match in snippet view article find links to article...

Specific Gibbs free entropy | g | J/(kg K) | Gibbs free entropy |\Xi | J/K | entropic) | Grand / Landau potential |\Omega | J | HeatNat (unit) (415 words) [view diff] no match in snippet view article find links to article...

The natural unit of information (symbol nat sometimes also nit or nepit, is a unit of information or entropy , based on natural logarithmsFrank L. Lambert (1,585 words) [view diff] no match in snippet view article find links to article...

He is known for his advocacy of changing the definition of thermodynamic entropy as "disorder" in US general chemistry texts to itsHuffman coding (4,342 words) [view diff] no match in snippet view article find links to article...

finding and/or using such a code is called Huffman coding and is a common technique in entropy encoding , including in lossless data compression .Trouton's rule (534 words) [view diff] no match in snippet view article find links to article...

Trouton’s rule states that the entropy of vaporization is almost the same value, about 85–88 J K−1 mol−1, for various kinds of liquid s atChemical potential (3,550 words) [view diff] no match in snippet view article find links to article...

Here U is internal energy , H is enthalpy and the entropy , S, is taken to be constant (see History ). Keeping the entropy fixedHard hexagon model (998 words) [view diff] no match in snippet view article find links to article...

urlname HardHexagonEntropyConstant | title Hard Hexagon Entropy Constant Category:Exactly solvable models Category:Statistical mechanicsGeometric distribution (1,778 words) [view diff] no match in snippet view article find links to article...

entropy \tfrac-(1-p)\log_2 (1-p) - p \log_2 p p\! | mgf \frac pe^t 1-(1-p) e^t\!, for t | char \frac pe^ it 1-(1-p)\,e^ it\! real) |Bernoulli distribution (631 words) [view diff] no match in snippet view article find links to article...

kurtosis \frac 1-6pq pq | entropy -q\ln(q)-p\ln(p)\, | mgf q+pe^t\, | char q+pe^ it\, | pgf q+pz\, | fisher \frac 1 p(1-p) |Nicolas Léonard Sadi Carnot (2,882 words) [view diff] no match in snippet view article find links to article...

but it was later used by Rudolf Clausius and Lord Kelvin to formalize the second law of thermodynamics and define the concept of entropy .Exergy (7,453 words) [view diff] no match in snippet view article find links to article...

In contrast, exergy accounts for the irreversibility of a process due to increase in entropy (see Second Law of Thermodynamics ).Josiah Willard Gibbs (10,093 words) [view diff] no match in snippet view article find links to article...

Gibbs's papers from the 1870s introduced the idea of expressing the internal energy U of a system in terms of the entropy S, in additionNormal distribution (16,370 words) [view diff] no match in snippet view article find links to article...

skewness 0 | kurtosis 0 - | entropy \frac12 \ln(2 \pi e \, \sigma^2) | mgf \exp\ \mu t + \frac 1 2\sigma^2t^2 \ | char \exp \ i\mu t - \First law of thermodynamics (12,409 words) [view diff] no match in snippet view article find links to article...

the total amount of heat added to a closed system can be expressed as δ Q T d S where T is the temperature and S the entropy of the system.Unary coding (377 words) [view diff] no match in snippet view article find links to article...

Unary coding, sometimes called thermometer code, is an entropy encoding that represents a natural number , n, with n ones followed by aCardy formula (479 words) [view diff] no match in snippet view article find links to article...

In physics Cardy formula is important because it gives the entropy of black holes. only the calculation of the entropy of BTZ black hole sGibbs' inequality (533 words) [view diff] no match in snippet view article find links to article...

In information theory , Gibbs' inequality is a statement about the mathematical entropy of a discrete probability distribution .Thermodynamic temperature (12,435 words) [view diff] no match in snippet view article find links to article...

The diffusion of thermal energy: Entropy, phonons, and mobile conduction electrons -: Image:1D normal modes (280 kB).gif | Fig. 4 TheDual total correlation (668 words) [view diff] no match in snippet view article find links to article...

In information theory , dual total correlation (Han 1978) or excess entropy (Olbrich 2008) is one of the two known non-negativeLoschmidt's paradox (1,505 words) [view diff] no match in snippet view article find links to article...

kinetic theory the increase of entropy in an ideal gas from a non-equilibrium state, when the molecules of the gas are allowed to collide....