• languages may have subtly different meanings; for example, in French an équation is defined as containing one or more variables, while in English, any well-formed...
    32 KB (4,237 words) - 11:55, 13 October 2024
  • 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...
    928 bytes (130 words) - 10:46, 20 March 2024
  • Thumbnail for Maxwell's equations
    Maxwell's equations, or Maxwell–Heaviside equations, are a set of coupled partial differential equations that, together with the Lorentz force law, form...
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  • Thumbnail for Schrödinger equation
    The Schrödinger equation is a partial differential equation that governs the wave function of a non-relativistic quantum-mechanical system.: 1–2  Its...
    74 KB (10,234 words) - 02:11, 7 October 2024
  • consiste dans une certaine relation entre leurs branches, exprimée par une Équation donnée.", Histoire de l'Académie Royale des Sciences: 196–215. Kamke, E...
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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...
    29 KB (3,628 words) - 15:16, 20 August 2024
  • Thumbnail for Navier–Stokes equations
    The Navier–Stokes equations (/nævˈjeɪ stoʊks/ nav-YAY STOHKS) are partial differential equations which describe the motion of viscous fluid substances...
    97 KB (15,355 words) - 05:59, 25 October 2024
  • Thumbnail for Heat equation
    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 (9,839 words) - 05:59, 23 October 2024
  • 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) - 12:37, 28 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 (5,099 words) - 09:01, 22 October 2024
  • Thumbnail for Wave equation
    The wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves...
    60 KB (10,757 words) - 16:20, 20 September 2024
  • 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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  • Thumbnail for Diophantine equation
    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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  • Logistic equation can refer to: Logistic map, a nonlinear recurrence relation that plays a prominent role in chaos theory Logistic regression, a regression...
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  • Thumbnail for Tsiolkovsky rocket equation
    The classical rocket equation, or ideal rocket equation is a mathematical equation that describes the motion of vehicles that follow the basic principle...
    25 KB (4,354 words) - 10:30, 28 October 2024
  • Thumbnail for Partial differential equation
    In mathematics, a partial differential equation (PDE) is an equation which computes a function between various partial derivatives of a multivariable...
    51 KB (7,305 words) - 15:13, 22 October 2024
  • The God Equation: The Quest for a Theory of Everything is a popular science book by the futurist and physicist Michio Kaku. The book was initially published...
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  • Thumbnail for Ordinary differential equation
    In mathematics, an ordinary differential equation (ODE) is a differential equation (DE) dependent on only a single independent variable. As with other...
    44 KB (4,890 words) - 01:31, 3 October 2024
  • convection–diffusion equation is a parabolic partial differential equation that combines the diffusion and convection (advection) equations. It describes physical...
    20 KB (2,726 words) - 08:53, 30 October 2024
  • "The Equation" is the eighth episode of the first season of the American science fiction drama television series Fringe. The episode follows the Fringe...
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  • Thumbnail for Friedmann equations
    The Friedmann equations, also known as the Friedmann–Lemaître (FL) equations, are a set of equations in physical cosmology that govern the expansion of...
    22 KB (3,525 words) - 20:14, 26 September 2024
  • The Roothaan equations are a representation of the Hartree–Fock equation in a non orthonormal basis set which can be of Gaussian-type or Slater-type....
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  • an Euler–Cauchy equation, or Cauchy–Euler equation, or simply Euler's equation, is a linear homogeneous ordinary differential equation with variable coefficients...
    12 KB (2,535 words) - 07:18, 21 September 2024
  • équations aux différences partielles linéaires du second ordre," (5 May 1798). "Mémoire sur les séries et sur l'intégration complète d'une équation aux...
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  • Thumbnail for Bellman equation
    A Bellman equation, named after Richard E. Bellman, is a necessary condition for optimality associated with the mathematical optimization method known...
    27 KB (4,005 words) - 16:37, 13 August 2024
  • Thumbnail for Equations of motion
    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...
    55 KB (7,509 words) - 12:23, 26 October 2024
  • In plasma physics, the Vlasov equation is a differential equation describing time evolution of the distribution function of collisionless plasma consisting...
    15 KB (2,489 words) - 11:20, 4 October 2024
  • Thumbnail for Cubic equation
    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) - 16:44, 23 October 2024
  • Characteristic equation may refer to: Characteristic equation (calculus), used to solve linear differential equations Characteristic equation, the equation obtained...
    420 bytes (78 words) - 10:47, 30 April 2024
  • Thumbnail for Linear equation
    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...
    13 KB (2,140 words) - 13:38, 29 October 2024