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Green's function
Table of Green's functions The following table gives an overview of Green's functions of frequently appearing differential operators, where , , is the Heaviside step function, is a Bessel function, is a modified Bessel function of the first kind, and is a modified Bessel function of the second kind. Where time () a...
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John Corcoran (logician)
Honors and awards Festschrift special double issue of History and Philosophy of Logic 1999 (Eds. M. Scanlan and S. Shapiro); Exceptional Scholar Award from the University at Buffalo 2002; Doctor Honoris Causa from University of Santiago de Compostela (Spain) 2003; Corcoran Symposium, University of Santiago de Composte...
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Rete algorithm
This article does not provide an exhaustive description of every possible variation or extension of the Rete algorithm. Other considerations and innovations exist. For example, engines may provide specialised support within the Rete network in order to apply pattern-matching rule processing to specific data types ...
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Grand Prix tennis circuit
1980 1. John McEnroe 2. Ivan Lendl 3. Jimmy Connors 4. Björn Borg 5. Gene Mayer 6. Harold Solomon 7. Guillermo Vilas 8. José Luis Clerc 9. Eliot Teltscher 10. Brian Teacher 1981 1. Ivan Lendl 2. John McEnroe 3. Jimmy Connors 4. José Luis Clerc 5. Guillermo Vilas 6. Björn Borg 7. Roscoe Tanner 8. Elio...
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Life-cycle greenhouse gas emissions of energy sources
Studies after the latest IPCC report Individual studies show a wide range of estimates for fuel sources arising from the different methodologies used. Those on the low end tend to leave parts of the life cycle out of their analysis, while those on the high end often make unrealistic assumptions about the amount of ene...
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Unification (computer science)
Many applications require one to consider the unification of typed lambda-terms instead of first-order terms. Such unification is often called higher-order unification. A well studied branch of higher-order unification is the problem of unifying simply typed lambda terms modulo the equality determined by αβη conversi...
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Universal Product Code
An error will be detected as long as the modular change is nonzero; if modulo 10, then the change will not be detected. Consequently, only when the character difference will an error be undetected (when the degenerate "transposition" is not an error). Next consider how often a transposition has a distance of 5. He...
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Multiservice tactical brevity code
P Package Geographically isolated collection of groups/contacts/formations. Padlocked Informative call indicating aircrew cannot take eyes off an aircraft or a surface position without risk of losing tally/visual. Paint(s) Interrogated group/radar contact that is responding with any of the specified IFF modes and corre...
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Computer-aided production engineering
Many of the methods, formulas, and data associated with these technical areas currently exist only in engineering handbooks. Although some computerized tools are available, they are often very specialized, difficult to use, and do not share information or work together. Engineering tools built by different vendors must...
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American Society of Civil Engineers
ASCE stated that dissemination of technical and professional information to the civil engineering profession was a major goal of the society. This is accomplished through a variety of publications and information products, including 35 technical and professional journals amongst them the ASCE Journal of Structural Engi...
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Mathis Wackernagel
Websites and videos Website on Global Footprint Network Website on Earth Overshoot Day Website on Switzerland's resource security - «Watch out, dear Switzerland!» VIDEO: How much Nature do we have? How much do we use? | Mathis Wackernagel, TEDxSanFrancisco 2016 VIDEO: Mathis Wackernagel on Whole Earth Systems | at the...
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Critical Psychiatry Network
Framing mental health problems as 'technical' in nature involves prioritising technology and expertise over values, relationships and meanings, the very things that emerge as important for service users, both in their narratives, and in service user-led research. For many service users these issues are of primary impor...
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Self-modifying code
Application in low and high level languages Self-modification can be accomplished in a variety of ways depending upon the programming language and its support for pointers and/or access to dynamic compiler or interpreter 'engines': overlay of existing instructions (or parts of instructions such as opcode, register, fl...
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List of MeSH codes (V04)
The following is a partial list of the "V" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM). This list continues the information at List of MeSH codes (V03). Codes following these are found at List of MeSH codes (Z01). For other MeSH codes, see List of MeSH c...
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Environmental impact of nuclear power
There have been several epidemiological studies that say there is an increased risk of various diseases, especially cancers, among people who live near nuclear facilities. A widely cited 2007 meta-analysis by Baker et al. of 17 research papers was published in the European Journal of Cancer Care. It offered evidence of...
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Service Modeling Language
Fast Formal Facts about SML The Service Modeling Language (SML) is a language for building a rich set of constructs for creating and constraining models of complex IT services and systems. SML-based models could include information about configuration, deployment, monitoring, policy, health, capacity planning, target o...
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Crystallographic database
The increasing automation of the crystal structure determination process has resulted in ever higher publishing rates of new crystal structures and, consequentially, new publishing models. Minimalistic articles contain only crystal structure tables, structure images, and, possibly, abstract-like structure description. ...
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Reliability engineering
Physics-of-failure-based approach For electronic assemblies, there has been an increasing shift towards a different approach called physics of failure. This technique relies on understanding the physical static and dynamic failure mechanisms. It accounts for variation in load, strength, and stress that lead to failure ...
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Cellular confinement
Application vs. long-term performance CCS have been successfully installed in thousands of projects worldwide. However, it is incumbent to differentiate between low load applications, such as slope and channel applications, and new heavy-duty infrastructure applications, such as in the base layer of motorways, railway...
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Nanotechnology
Scientists are now turning to nanotechnology in an attempt to develop diesel engines with cleaner exhaust fumes. Platinum is currently used as the diesel engine catalyst in these engines. The catalyst is what cleans the exhaust fume particles. First a reduction catalyst is employed to take nitrogen atoms from NOx molec...
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List of contaminated cell lines
Lists of contaminated cell lines This list, containing 488 cell lines, was last updated on 1 December 2016. Cellosaurus also is maintaining a list of "problematic" cell lines. The list is dynamically generated from all cell lines in the database with a comment containing the dedicated words "Problematic cell line". , t...
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Codex (Warhammer 40,000)
Background - Information about the force and its place in the Warhammer 40,000 universe. This includes artwork, short stories, and copies of fictional documents from the future. Miniature Showcase - Originally a hobby section providing information on collecting, building and painting an army. Later a selection of phot...
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Structural engineering
Structural engineering depends upon a detailed knowledge of applied mechanics, materials science, and applied mathematics to understand and predict how structures support and resist self-weight and imposed loads. To apply the knowledge successfully a structural engineer generally requires detailed knowledge of relevant...
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Mole (espionage)
Overview A mole may be recruited early in life, and take decades to get a job in government service and reach a position of access to secret information before becoming active as a spy. Perhaps the most famous examples of moles were the Cambridge Five, five upper-class British men recruited by the KGB as communist stud...
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Trion (physics)
A trion is a localized excitation which consists of three charged particles. A negative trion consists of two electrons and one hole and a positive trion consists of two holes and one electron. The trion itself is a quasiparticle and is somewhat similar to an exciton, which is a complex of one electron and one hole. Th...
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List of unsolved problems in computer science
Other algorithmic problems The dynamic optimality conjecture: do splay trees have a bounded competitive ratio? Is there a -competitive online algorithm for the -server problem? Can a depth-first search tree be constructed in NC? Can the fast Fourier transform be computed in time? What is the fastest algorithm for...
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IUP (software)
ANSI C API, one of the few plain C-capable toolkits, Single API for Windows or Linux, Built in support for Lua scripts calling IUP functions (controlled by Lua script), Removal of the restriction of class/instance object types, but retaining the prototype Lua-style hierarchy of inheritance. An abstract layout model...
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Research question
Constructing a research question Specifying the research question is one of the first methodological steps the investigator has to take when undertaking research. Having an interest in or knowledge of a particular subject can be useful in the construction of a research question. Formation of the research question is ...
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Molecular geometry
Types of molecular structure A bond angle is the geometric angle between two adjacent bonds. Some common shapes of simple molecules include: Linear: In a linear model, atoms are connected in a straight line. The bond angles are set at 180°. For example, carbon dioxide and nitric oxide have a linear molecular shape. T...
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For loop
Vectorised for-loops Some languages offer a for-loop that acts as if processing all iterations in parallel, such as the keyword in FORTRAN 95 which has the interpretation that all right-hand-side expressions are evaluated before any assignments are made, as distinct from the explicit iteration form. For example, in t...
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Crime Writers of Canada Awards of Excellence
Best First Novel 1987 - Medora Sale, Murder on the Run 1988 - Laurence Gough, The Goldfish Bowl 1989 - John Brady, A Stone of the Heart 1990 - John Lawrence Reynolds, The Man Who Murdered God 1991 - Carsten Stroud, Sniper's Moon 1992 - Paul Grescoe, Flesh Wound 1993 - Sean Stewart, Passion Play 1994 - Gavin Sco...
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Linear programming
One common way of proving that a polyhedron is integral is to show that it is totally unimodular. There are other general methods including the integer decomposition property and total dual integrality. Other specific well-known integral LPs include the matching polytope, lattice polyhedra, submodular flow polyhedra, a...
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Cell wall
The group of algae known as the diatoms synthesize their cell walls (also known as frustules or valves) from silicic acid. Significantly, relative to the organic cell walls produced by other groups, silica frustules require less energy to synthesize (approximately 8%), potentially a major saving on the overall cell ene...
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NASU Institute of Physics
Scientific discoveries The Institute has made five scientific discoveries that were registered in the USSR - more than any other Ukrainian academic institutions. Current-induced cold electron emission from discontinuous metal films Certificate #31 (priority from 26 June 1963); P.G. Borzyak, O.G. Sarbey, R.D. Fedorovych...
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Division algorithm
R := N D := D << n -- R and D need twice the word width of N and Q for i := n − 1 .. 0 do -- For example 31..0 for 32 bits R := 2 * R − D -- Trial subtraction from shifted value (multiplication by 2 is a shift in binary representation) if R ≥ 0 then q(i) := 1 -- Result-bit 1 else...
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Computational visualistics
Areas covered For a science of images within computer science, the abstract data type »image« (or perhaps several such types) stands in the center of interest together with the potential implementations (cf. Schirra 2005). There are three main groups of algorithms for that data type to be considered in computational v...
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Matching (graph theory)
A spectral characterization of the matching number of a graph is given by Hassani Monfared and Mallik as follows: Let be a graph on vertices, and be distinct nonzero purely imaginary numbers where . Then the matching number of is if and only if (a) there is a real skew-symmetric matrix with graph and eigenval...
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Plant Simulation
Product description Plant Simulation is a Material flow simulation Software (Discrete Event Simulation; DES Software). Using simulation, complex and dynamic enterprise workflows are evaluated to arrive at mathematically safeguarded entrepreneurial decisions. The Computer model allows the user to execute experiments an...
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CoSy (computer conferencing system)
When the BIX system closed down, several former "bixen" approached University of Guelph and SoftWords and obtained the right to release the original version of CoSy under the GPL. It is now developed as an open source project, and was the basis of the BIX-like NLZero (Noise Level Zero) conferencing service. References...
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International Biology Olympiad
In the International Group Project 2020, there are 50 research teams, and every team consists of 4 to 7 competitors, all representing different countries. In each team, these young biologists collaborated with their international fellows in a three-month scientific project. Finally, they had to propose a professional p...
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International Obfuscated C Code Contest
Source code excerpt B,i,y,u,b,I[411],*G=I,x=10,z=15,M=1e4;X(w,c,h,e,S,s){int t,o,L,E,d,O=e,N=-M*M,K =78-h<<x,p,*g,n,*m,A,q,r,C,J,a=y?-x:x;y^=8;G++;d=w||s&&s>=h&&v 0,0)>M;do{_ o=I[ p=O]){q=o&z^y _ q<7){A=q--&2?8:4;C=o-9&z?q["& .$ "]:42;do{r=I[p+=C[l]-64]_!w|p ==w){g=q|p+a-S?0:I+S _!r&(q|A<3||g)||(r+1&z^y)>9&&q|A>2){_ m...
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Copula (probability theory)
The users of the formula have been criticized for creating "evaluation cultures" that continued to use simple copulæ despite the simple versions being acknowledged as inadequate for that purpose. Thus, previously, scalable copula models for large dimensions only allowed the modelling of elliptical dependence structures...
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Additive number theory
is the set of k-th powers). Many of these problems are studied using the tools from the Hardy-Littlewood circle method and from sieve methods. For example, Vinogradov proved that every sufficiently large odd number is the sum of three primes, and so every sufficiently large even integer is the sum of four primes. Hil...
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Laboratory for Computational Cultural Dynamics
Theory The algorithms developed, although catered to specific situations, are based on some combination of the following: stochastic-based modeling agents applied to different geopolitical actors; prediction and evaluation algorithms, used to answer queries like “given some hypothetical world state, how will a partic...
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Dynamic Business Modeling
Graphics References http://ralyx.inria.fr/2008/Raweb/triskell/triskell.pdf External links Gartner Dataquest Insight: Telecommunications BSS Software Solutions Can Help Other Industries Improve Efficiency Information systems Business software
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Molecular mechanics
In addition to the functional form of each energy term, a useful energy function must be assigned parameters for force constants, van der Waals multipliers, and other constant terms. These terms, together with the equilibrium bond, angle, and dihedral values, partial charge values, atomic masses and radii, and energy f...
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The Revolution Will Not Be Televised
Cultural references in the poem "Plug in, turn on, and cop out", a reference to Timothy Leary's pro-LSD phrase "Turn on, tune in, drop out." "Skag", slang term for heroin "Pigs", slang term for police "Process", term for using chemicals to straighten a Black person's hair Xerox, best-known manufacturer (at the ti...
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Traditional ecological knowledge
Although TEK is not currently recognized as an important component of mainstream environmental decision making, scientists are working on developing core science competency programs that align with TEK and promote self-sufficiency and determination. The lack of recognition for traditional ecological knowledge in determ...
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Southern marsupial mole
Conservation status So little is known about the southern marsupial mole that it is difficult to assess its exact distribution and how it varied over the last decades. However circumstantial evidence suggests that their numbers are dwindling. Although the decreasing acquisition rate is difficult to interpret due to the...
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Non-associative algebra
Ring-like structures with two binary operations and no other restrictions are a broad class, one which is too general to study. For this reason, the best-known kinds of non-associative algebras satisfy identities, or properties, which simplify multiplication somewhat. These include the following ones. Usual properties ...
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Radiance (software)
genbox creates a box. genrprism extrudes a given 2D polygon along the Z-axis. genrev creates a surface of revolution from a given function. genworm creates a worm given four functions - the (x, y, z) coordinates of the path, and the radius of the worm. gensurf creates a tesselated surface from a given function. ge...
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Description logic
Modeling In DL, a distinction is drawn between the so-called TBox (terminological box) and the ABox (assertional box). In general, the TBox contains sentences describing concept hierarchies (i.e., relations between concepts) while the ABox contains ground sentences stating where in the hierarchy, individuals belong (i....
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Murderous Maths
Reviews A recommendation of the series by Scientific American includes a quote from a Stanford engineer named Stacy F. Bennet, who described the series as "very humorous and engaging introductions to such topics as algebra, geometry and probability". On 22 November 1997, that same publication said of the series, "Have ...
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International Obfuscated C Code Contest
If the program is run using its own source as the input, the result is:[root@host ~]# ./akari akari.c int *w,m,_namori=('n'); #include<stdio.h>/*;hrd"% dnd4%"*/ /**/int(y),u,r[128*2/*{y}icuhya*rr*rya= */];void/**/i(){putchar(u)...
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Urban ecology
Urban areas can be converted to areas that are more conducive to hosting wildlife through the application of green infrastructure. Although the opportunities of green infrastructure (GI) to benefit human populations have been recognized, there are also opportunities to conserve wildlife diversity. Green infrastructure ...
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Stochastic simulation
Published in 2009, 2010, and 2011 (Ramaswamy 2009, 2010, 2011). Use factored-out, partial reaction propensities to reduce the computational cost to scale with the number of species in the network, rather than the (larger) number of reactions. Four variants exist:
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List of Disney TV programming blocks
G–H |- |rowspan=8 | Germany | unnamed (or unrevealed name) | Kirch Media's ProSieben | Sunday afternoon movie | | 2002 | |- |rowspan=2 | Disney Club | RTL | Saturday and Sunday | | | 2002 |- | ProSieben | Saturday | | 2002 | |- |rowspan=2 | Disney Filmparade | RTL |rowspan=2 | movie |rowspan=2 | | 2000 | 2005 |...
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2006–07 EDF Energy Cup
Group C {| class="wikitable" style="text-align: center;" |- !width="200"|Team !width="20"|Pld !width="20"|W !width="20"|D !width="20"|L !width="20"|F !width="20"|A !width="20"|Pts |- bgcolor=#ccffcc |align=left| Sale Sharks |3||3||0||0||77||37||12 |- |align=left| Newcastle Falcons |3||2||0||1||51||55||8 |- |align=left|...
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Computer Warriors
At a government facility named Parallax, a massive supercomputer core suffers a power surge due to “human error” of one its operators. The surge triggers a core dump, which unleashes four A.I. programs that are transformed into dangerous Viruses, which are ejected into the Bitstream (an analog for the Internet). These ...
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John Porcellino
Comics and graphic novels King-Cat Comics and Stories (Spit and a Half, ongoing publication 1989 – present) Diary of a Mosquito Abatement Man (La Mano, 2005) Perfect Example (Drawn and Quarterly, 2005) King-Cat Classix (Drawn and Quarterly, 2007) Thoreau at Walden (Hyperion, 2008) Map of My Heart (Drawn and ...
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Power Instinct
New characters Larry Light (ラリー・ライト) – A brilliant and optimistic man good with cultural conversations, Larry finds true happiness as more important than wealth or power. Larry's partner is Chris Wayne, a conflictual young man. He once helped Chris from being arrested for vandalism. Since then, Larry has been Chris's...
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Error function
In particular, there is a systematic methodology to solve the numerical coefficients that yield a minimax approximation or bound for the closely related Q-function: , , or for . The coefficients for many variations of the exponential approximations and bounds up to have been released to open access as a comprehensi...
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Computational archaeology
The most important platform for students and researchers in quantitative archaeology and AI science is the international conference on Computer Applications and Quantitative Methods in Archaeology (CAA) which has been in existence for more than 30 years now and is held in a different city of Europe each year. Vienna's ...
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Hayden Geological Survey of 1871
After leaving Bottler's Ranch, the party took two days to arrive at Fort Ellis where they spent six days recuperating, resupplying and preparing correspondence and specimens for shipment. Three members of the party—Huse, Dixon and Adams departed for California. During this stay, Hayden had the opportunity to respond t...
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Java Mobile Media API
A subset of JSR 135 is defined in JSR 118 (MIDP 2.0). Player lifecycle Regardless of the protocol or media type involved, the Player moves through the same discrete states during its lifecycle. These states are listed in table below Implementations As with most Java ME specifications, implementations differ despite th...
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Boston Computer Society
Alpha Four; Amateur Radio; Amiga; Apple II; Andover Chapter; Artificial Intelligence; Atari 8-bit and ST; Business; CAD-SIG; Cape Cod Chapter; CASE; Commodore; Computers & Speech; Construction; Consultants & Entrepreneurs; Databases; Desktop Publishing; Digital; Disabled/ Special Needs; Education; Environmental; Hewlet...
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Advice (complexity)
Known results include: The classes NL/poly and UL/poly are the same, i.e. nondeterministic logarithmic space computation with advice can be made unambiguous. This may be proved using an isolation lemma. It is known that coNEXP is contained in NEXP/poly. If NP is contained in P/poly, then the polynomial time hierarch...
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Lenstra–Lenstra–Lovász lattice basis reduction algorithm
The original applications were to give polynomial-time algorithms for factorizing polynomials with rational coefficients, for finding simultaneous rational approximations to real numbers, and for solving the integer linear programming problem in fixed dimensions. LLL reduction The precise definition of LLL-reduced is a...
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Equipment codes
SSR (secondary surveillance radar) N No surveillance equipment for the route to be flown is carried, or the equipment is unserviceable A Transponder – Mode A (4 digits – 4,096 codes) C Transponder – Mode A (4 digits – 4,096 codes) and Mode C E Transponder — Mode S, including aircraft identification, pressure-altitu...
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List of Quantum Leap characters
Sam Beckett (Adam Affonso) - Sam's 16-year-old self. Herbert "Magic" Williams (Christopher Kirby) - Navy SEAL stationed in Vietnam. Father Frank Pistano (Bud Sabatino) - A recently ordained Catholic priest. Karl Granson (Danny McCoy, Jr.) - A professional fashion photographer. Joshua Rey (Chris Ruppenthal) - A horr...
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Code coverage
Basic coverage criteria There are a number of coverage criteria, but the main ones are: Function coveragehas each function (or subroutine) in the program been called? Statement coveragehas each statement in the program been executed? Edge coveragehas every edge in the control-flow graph been executed? Branch cover...
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List of computer technology code names
External links Apple Code Names - The Apple Museum https://web.archive.org/web/20020810221927/http://ha.redhat.com/news/UnderTheBrim.txt (dead) KolibriOS official site https://web.archive.org/web/20020620013151/http://lios.apana.org.au/~cdewick/sunshack/data/feh/1.5/wcd00000/wcd00024.htm (dead) DistroWatch.com De...
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List of unsolved problems in physics
Dark matter: What is the identity of dark matter? Is it a particle? Is it the lightest superpartner (LSP)? Or, do the phenomena attributed to dark matter point not to some form of matter but actually to an extension of gravity? Dark energy: What is the cause of the observed accelerated expansion (de Sitter phase) of t...
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Bresenham's line algorithm
History Bresenham's line algorithm is named after Jack Elton Bresenham who developed it in 1962 at IBM. In 2001 Bresenham wrote: I was working in the computation lab at IBM's San Jose development lab. A Calcomp plotter had been attached to an IBM 1401 via the 1407 typewriter console. [The algorithm] was in production u...
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Air America (radio network)
{| class="wikitable" ! width="170"| Time ! width="250"| Show ! Notes |- | 5–6a.m. ET | The Rachel Maddow Show | audio rebroadcast of the MSNBC program of the same name. |- | 6–9a.m. ET | The Lionel Show | redebuts in new time slot May 26, 2009. Original debut: May 14, 2007. |- | 9a.m. – noon ET | Montel Across America...
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Israeli Combat Engineering Corps
Combat Engineering Battalions Asaf 601 אסף HaMachatz 605 המחץ Lahav 603 להב Reserve Battalions Command's Engineering Units North Center South Special Engineering Vehicles (TZAMA צמ"ה) units Knights of Steel אבירי הפלדה – Tzama Gaza South Steel Cats חתולי הפלדה – Tzama Gaza North Wild Cats חתולי הבר – Tz...
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Nuclear magnetic resonance spectra database
Aldrich NMR Library A portion of this database is still available in a three volume print version from Aldrich. The full electronic version includes a supplement of spectra not included in the paper version. In all, this database includes more than 15,000 compounds with the associated 300 MHz 1H and 75 MHz 13C spect...
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Computational creativity
In addition to the proceedings of conferences and workshops, the computational creativity community has thus far produced these special journal issues dedicated to the topic: New Generation Computing, volume 24, issue 3, 2006 Journal of Knowledge-Based Systems, volume 19, issue 7, November 2006 AI Magazine, volume 30, ...
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List of interactive geometry software
Archimedes Geo3D Archimedes Geo3D Euler 3D Euler (software) Euler 3D is a program that allows you to create and manipulate your own polyhedrons. It has a number of facilities: transformations, animations, creating duals, import/export VRML, etc. Free registration required. GeoGebra GeoGebra, includes a 3D mode since ve...
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Software calculator
Window-based calculators Window-based calculators present a dialog box that allows users to enter data, rather than data and operations, and they have a built-in formula that is automatically applied to this data. There are many examples of such calculators in finance, mathematics, science and other disciplines. Specia...
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Quantum chemistry composite methods
The FPD Approach has been heavily benchmarked against experiment. When applied at the highest possible level, FDP is capable to yielding a root-mean-square (RMS) deviation with respect to experiment of 0.30 kcal/mol (311 comparisons covering atomization energies, ionization potentials, electron affinities and proton a...
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Psychology of programming
Goals and purposes It is desirable to achieve a programming performance such that creating a program meets its specifications, is on schedule, is adaptable for the future and runs efficiently. Being able to satisfy all these goals at a low cost is a difficult and common problem in software engineering and project manag...
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Process calculus
Current research Various process calculi have been studied and not all of them fit the paradigm sketched here. The most prominent example may be the ambient calculus. This is to be expected as process calculi are an active field of study. Currently research on process calculi focuses on the following problems.
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Fragment molecular orbital
In the earlier stage, the preparation of the GAMESS input files was facilitated with the FMOutil software. Later, various parts of FMOutil were incorporated in the new graphical user interface called fu. Fu is a general open-source GUI not limited to FMO or GAMESS. It is written mainly in Python and some critical modu...
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GOST (hash function)
Step hash function The step hash function maps two 256-bit blocks into one: . It consist of three parts: Generating of keys Enciphering transformation using keys Shuffle transformation Key generation The keys generating algorithm uses: Two transformations of 256-bit blocks: Transformation , where are 64-bit s...
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Select (SQL)
Hierarchical query Some databases provide specialised syntax for hierarchical data. A window function in SQL:2003 is an aggregate function applied to a partition of the result set. For example, calculates the sum of the populations of all rows having the same city value as the current row. Partitions are specified usi...
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Separation logic
Tools for reasoning about programs fall on a spectrum from fully automatic program analysis tools, which do not require any user input, to interactive tools where the human is intimately involved in the proof process. Many such tools have been developed; the following list includes a few representatives in each catego...
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The Mechanical Universe
A 1987 study at Indiana University Bloomington used 14 Mechanical Universe episodes as part of an introductory course on Newtonian mechanics, with generally positive results:[T]hese tapes were particularly effective in placing Newtonian mechanics in a historical perspective; dramatizing the historical overthrow of Aris...
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Contact mechanics
and are can be determined when the terms are calculated for the given surfaces using the convolution of the surface roughness . Several studies have followed the suggested curve fits for assuming a Gaussian surface high distribution with curve fits presented by Arcoumanis et al. and Jedynak among others. It has been...
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Computational complexity theory
The graph isomorphism problem is the computational problem of determining whether two finite graphs are isomorphic. An important unsolved problem in complexity theory is whether the graph isomorphism problem is in P, NP-complete, or NP-intermediate. The answer is not known, but it is believed that the problem is at lea...
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List of Animal Mechanicals episodes
Mechana Origami Owl Island Mission: Make more paper for the Origami owls to make their special origami. Abilities used: Strength, Flight, and Gizmo The wrong objects Komodo's tail popped out: Hammer, Oil Can and Peanut. It's a very complicated mission over on Origami Owl Island: the team must figure out how to plant...
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Supercomputer
The parallel architectures of supercomputers often dictate the use of special programming techniques to exploit their speed. Software tools for distributed processing include standard APIs such as MPI and PVM, VTL, and open source software such as Beowulf.
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Renewable energy
Hydroelectricity In 2017 the world renewable hydropower capacity was 1,154 GW. Only a quarter of the worlds estimated hydroelectric potential of 14,000 TWh/year has been developed, the regional potentials for the growth of hydropower around the world are, 71% Europe, 75% North America, 79% South America, 95% Africa, 9...
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Graph theory
Graph classes Many problems involve characterizing the members of various classes of graphs. Some examples of such questions are below: Enumerating the members of a class Characterizing a class in terms of forbidden substructures Ascertaining relationships among classes (e.g. does one property of graphs imply anoth...
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Powerset construction
Compute the ε-closure of the entire automaton as a preprocessing step, producing an equivalent NFA without ε-moves, then apply the regular powerset construction. This version, also discussed by Hopcroft and Ullman, is straightforward to implement, but impractical for automata with large numbers of ε-moves, as commonly ...
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Host–guest chemistry
Where = Initial molar concentration of the host = Molar concentration of the guest = volume of the vessel The above equation can be solved by non-linear regression analysis to obtain the value of and and subsequently and for that particular reaction. The advantages of isothermal titration calorimetry over the ot...
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Computer-assisted qualitative data analysis software
Pros and cons Such software helps to organize, manage and analyse information. The advantages of using this software include saving time, managing huge amounts of qualitative data, having increased flexibility, having improved validity and auditability of qualitative research, and being freed from manual and clerical t...
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New Math
See also Common core André Lichnerowicz – Created 1967 French Lichnerowicz Commission Comprehensive School Mathematics Program (CSMP) Secondary School Mathematics Curriculum Improvement Study (SSMCIS) School Mathematics Project: UK version in use 1960s-80s List of abandoned education methods School Mathematics St...
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Multiservice tactical brevity code
R Range Two or more groups separated primarily in distance along the same bearing. Raygun Indicates a radar lock-on to unknown aircraft; a request for a buddy spike (position/heading/altitude) reply from friendly aircraft meeting these parameters (to prevent friendly fire). Reference Directive to assume stated heading....
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SUPER (computer program)
Fernando Cassia (31 July 2006), Don't buy any video converter before trying this freebie, The Inquirer Benjamin Blaume (28 June 2008), SUPER: Der kostenlose Alles-Konvertierer, Chip.de Doug Sahlin, Chris Botello, YouTube for Dummies, For Dummies, 2007, , pp. 183–184 Rick Broida, How to Do Everything with Your Zune,...
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