describe by equation

См. также в других словарях:

• Equation solving — In mathematics, to solve an equation is to find what values (numbers, functions, sets, etc.) fulfill a condition stated in the form of an equation (two expressions related by equality). These expressions contain one or more unknowns, which are… …   Wikipedia

• Equation of state (cosmology) — In cosmology, the equation of state of a perfect fluid is characterized by a dimensionless number w , equal to the ratio of its pressure p to its energy density rho;: w=p/ ho . It is closely related to the thermodynamic equation of state and… …   Wikipedia

• Dirac equation — Quantum field theory (Feynman diagram) …   Wikipedia

• Theoretical and experimental justification for the Schrödinger equation — The theoretical and experimental justification for the Schrödinger equation motivates the discovery of the Schrödinger equation, the equation that describes the dynamics of nonrelativistic particles. The motivation uses photons, which are… …   Wikipedia

• Morison equation — Flow forces according to the Morison equation for a body placed in a harmonic flow, as a function of time. Blue line: drag force; red line: inertia force; black line: total force according to the Morison equation. Note that the inertia force is… …   Wikipedia

• Partial differential equation — A visualisation of a solution to the heat equation on a two dimensional plane In mathematics, partial differential equations (PDE) are a type of differential equation, i.e., a relation involving an unknown function (or functions) of several… …   Wikipedia

• Schrödinger equation — For a more general introduction to the topic, please see Introduction to quantum mechanics. Quantum mechanics …   Wikipedia

• Klein–Gordon equation — Quantum mechanics Uncertainty principle …   Wikipedia

• N-slit interferometric equation — Quantum mechanics was first applied to optics, and interference in particular, by Paul Dirac.[1] Feynman, in his lectures, uses Dirac’s notation to describe thought experiments on double slit interference of electrons.[2] Feynman’s approach was… …   Wikipedia

• Stochastic differential equation — A stochastic differential equation (SDE) is a differential equation in which one or more of the terms is a stochastic process, thus resulting in a solution which is itself a stochastic process. SDE are used to model diverse phenomena such as… …   Wikipedia

• Groundwater flow equation — Used in hydrogeology, the groundwater flow equation is the mathematical relationship which is used to describe the flow of groundwater through an aquifer. The transient flow of groundwater is described by a form of the diffusion equation, similar …   Wikipedia