In Combustion, G equation is a scalar G ( x , t ) {\displaystyle G(\mathbf {x} ,t)} field equation which describes the instantaneous flame position, introduced...

In mathematics and physics, Laplace's equation is a second-order partial differential equation named after Pierre-Simon Laplace, who first studied its...

field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of matter within it. The equations were...

wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves (e.g. water...

In mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives. In applications, the functions...

The Schrödinger equation is a partial differential equation that governs the wave function of a non-relativistic quantum-mechanical system.: 1–2  Its...

specifically thermodynamics), the heat equation is a parabolic partial differential equation. The theory of the heat equation was first developed by Joseph Fourier...

Navier–Stokes are an elliptic equation and therefore have better analytic properties, at the expense of having less mathematical structure (e.g. they are never completely...

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...

an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign =. The word equation and...

Bernoulli equation can be normalized. A common approach is in terms of total head or energy head H: H = z + p ρ g + v 2 2 g = h + v 2 2 g , {\displaystyle...

Kuramoto–Sivashinsky equation (also called the KS equation or flame equation) is a fourth-order nonlinear partial differential equation. It is named after...

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...

A continuity equation or transport equation is an equation that describes the transport of some quantity. It is particularly simple and powerful when...

wave equation, the diffusion equation, and the Schrödinger equation for a free particle. In optics, the Helmholtz equation is the wave equation for the...

The Boltzmann equation or Boltzmann transport equation (BTE) describes the statistical behaviour of a thermodynamic system not in a state of equilibrium;...

equation with a fixed front velocity. In mathematical modeling of combustion, LSM is used to describe the instantaneous flame surface, known as the G...

comparametric equation, when we define g(t) = ƒ(2t), so that we have g = 4ƒ no longer contains the parameter, t. The comparametric equation g = 4ƒ has a...

factor H/T2. Similar equations include The typical applications of this equation are to chemical reactions. The equation reads: ( ∂ ( Δ G ⊖ / T ) ∂ T ) p =...

physical chemistry, the Arrhenius equation is a formula for the temperature dependence of reaction rates. The equation was proposed by Svante Arrhenius...

The shallow-water equations (SWE) are a set of hyperbolic partial differential equations (or parabolic if viscous shear is considered) that describe the...

functional equation) g ( x + y ) + g ( x − y ) = 2 [ g ( x ) g ( y ) ] {\displaystyle g(x+y)+g(x-y)=2[g(x)g(y)]\,\!} (d'Alembert's functional equation) f (...

The Friedmann equations, also known as the Friedmann–Lemaître (FL) equations, are a set of equations in physical cosmology that govern cosmic expansion...

80-year-old (140 – 80 = 60) for the same level of serum creatinine. The C-G equation assumes that a woman will have a 15% lower creatinine clearance than a...

The classical rocket equation, or ideal rocket equation is a mathematical equation that describes the motion of vehicles that follow the basic principle...

A differential equation can be homogeneous in either of two respects. A first order differential equation is said to be homogeneous if it may be written...

In electrochemistry, the Nernst equation is a chemical thermodynamical relationship that permits the calculation of the reduction potential of a reaction...

The diffusion equation is a parabolic partial differential equation. In physics, it describes the macroscopic behavior of many micro-particles in Brownian...

integral equations are equations in which an unknown function appears under an integral sign. In mathematical notation, integral equations may thus be...

Klein–Gordon equation (Klein–Fock–Gordon equation or sometimes Klein–Gordon–Fock equation) is a relativistic wave equation, related to the Schrödinger equation. It...