an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign =. The word equation and...
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The Schrödinger equation is a partial differential equation that governs the wave function of a quantum-mechanical system.: 1–2 Its discovery was a significant...
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In mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives. In applications, the functions...
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In mathematics, a quadratic equation (from Latin quadratus 'square') is an equation that can be rearranged in standard form as a x 2 + b x + c = 0 , {\displaystyle...
52 KB (6,541 words) - 07:12, 1 September 2024
mathematics and physics, the heat equation is a certain partial differential equation. Solutions of the heat equation are sometimes known as caloric functions...
58 KB (9,836 words) - 20:31, 23 August 2024
In mathematics, a linear equation is an equation that may be put in the form a 1 x 1 + … + a n x n + b = 0 , {\displaystyle a_{1}x_{1}+\ldots +a_{n}x_{n}+b=0...
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The wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves...
63 KB (11,174 words) - 14:45, 3 September 2024
In mathematics and physics, Laplace's equation is a second-order partial differential equation named after Pierre-Simon Laplace, who first studied its...
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In algebra, a cubic equation in one variable is an equation of the form a x 3 + b x 2 + c x + d = 0 {\displaystyle ax^{3}+bx^{2}+cx+d=0} in which a is...
68 KB (10,291 words) - 10:10, 2 September 2024
In mathematics, a partial differential equation (PDE) is an equation which computes a function between various partial derivatives of a multivariable...
49 KB (6,849 words) - 16:29, 8 July 2024
The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way Galaxy...
75 KB (8,618 words) - 09:54, 30 August 2024
In mathematics, a Diophantine equation is an equation, typically a polynomial equation in two or more unknowns with integer coefficients, for which only...
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equations, also known as a system of equations or an equation system, is a finite set of equations for which common solutions are sought. An equation...
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The Navier–Stokes equations (/nævˈjeɪ stoʊks/ nav-YAY STOHKS) are partial differential equations which describe the motion of viscous fluid substances...
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Poisson's equation is an elliptic partial differential equation of broad utility in theoretical physics. For example, the solution to Poisson's equation is the...
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A continuity equation or transport equation is an equation that describes the transport of some quantity. It is particularly simple and powerful when...
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In particle physics, the Dirac equation is a relativistic wave equation derived by British physicist Paul Dirac in 1928. In its free form, or including...
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physical chemistry, the Arrhenius equation is a formula for the temperature dependence of reaction rates. The equation was proposed by Svante Arrhenius...
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A Bellman equation, named after Richard E. Bellman, is a necessary condition for optimality associated with the mathematical optimization method known...
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In mathematics, an algebraic equation or polynomial equation is an equation of the form P = 0 {\displaystyle P=0} , where P is a polynomial with coefficients...
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Nonlinear system (redirect from Non-linear equation)
system of equations, which is a set of simultaneous equations in which the unknowns (or the unknown functions in the case of differential equations) appear...
21 KB (2,597 words) - 16:51, 7 September 2024
field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of matter within it. The equations were...
34 KB (5,098 words) - 08:50, 29 July 2024
In mathematics, an ordinary differential equation (ODE) is a differential equation (DE) dependent on only a single independent variable. As with other...
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Characteristic equation may refer to: Characteristic equation (calculus), used to solve linear differential equations Characteristic equation, the equation obtained...
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the equation becomes an equality. A solution of an equation is often called a root of the equation, particularly but not only for polynomial equations. The...
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The Anti-Life Equation is a fictional concept appearing in American comic books published by DC Comics. In Jack Kirby's Fourth World setting, the Anti-Life...
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In physics, equations of motion are equations that describe the behavior of a physical system in terms of its motion as a function of time. More specifically...
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parametric equation defines a group of quantities as functions of one or more independent variables called parameters. Parametric equations are commonly...
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Klein–Gordon equation (Klein–Fock–Gordon equation or sometimes Klein–Gordon–Fock equation) is a relativistic wave equation, related to the Schrödinger equation. It...
38 KB (6,540 words) - 12:09, 3 August 2024
The Boltzmann equation or Boltzmann transport equation (BTE) describes the statistical behaviour of a thermodynamic system not in a state of equilibrium;...
35 KB (4,961 words) - 21:10, 23 July 2024