third-order equation

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• Third-order intercept point — In telecommunications, a third order intercept point (IP3 or TOI) is a measure for weakly nonlinear systems and devices, for example receivers, linear amplifiers and mixers. It is based on the idea that the device nonlinearity can be modeled… …   Wikipedia

• order — orderable, adj. orderer, n. orderless, adj. /awr deuhr/, n. 1. an authoritative direction or instruction; command; mandate. 2. a command of a court or judge. 3. a command or notice issued by a military organization or a military commander to… …   Universalium

• Differential equation — Not to be confused with Difference equation. Visualization of heat transfer in a pump casing, created by solving the heat equation. Heat is being generated internally in the casing and being cooled at the boundary, providing a steady state… …   Wikipedia

• Matrix difference equation — A matrix difference equation[1][2] is a difference equation in which the value of a vector (or sometimes, a matrix) of variables at one point in time is related to its own value at one or more previous points in time, using matrices. Occasionally …   Wikipedia

• ordinary differential equation — Math. an equation containing derivatives but not partial derivatives. Cf. partial differential equation. * * * Equation containing derivatives of a function of a single variable. Its order is the order of the highest derivative it contains (e.g …   Universalium

• Van der Waals equation — The van der Waals equation is an equation of state for a fluid composed of particles that have a non zero size and a pairwise attractive inter particle force (such as the van der Waals force.) It was derived by Johannes Diderik van der Waals in… …   Wikipedia

• Mason–Weaver equation — The Mason–Weaver equation (named after Max Mason and Warren Weaver) describes the sedimentation and diffusion of solutes under a uniform force, usually a gravitational field.[1] Assuming that the gravitational field is aligned in the z direction… …   Wikipedia

• Mason-Weaver equation — The Mason Weaver equation describes the sedimentation and diffusion of solutes under a uniform force, usually a gravitational field.cite journal | last = Mason | first = M | coauthors = Weaver W | year = 1924 | title = The Settling of Small… …   Wikipedia

• Degasperis-Procesi equation — In mathematical physics, the Degasperis Procesi equation: displaystyle u t u {xxt} + 2kappa u x + 4u u x = 3 u x u {xx} + u u {xxx}is one of only two exactly solvable equations in the following family of third order, non linear, dispersive… …   Wikipedia

• Degasperis–Procesi equation — In mathematical physics, the Degasperis–Procesi equation is one of only two exactly solvable equations in the following family of third order, non linear, dispersive PDEs: where κ and b are real parameters (b=3 for the Degasperis–Procesi… …   Wikipedia

• Birch–Murnaghan equation of state — In continuum mechanics, an equation of state suitable for modeling solids is naturally rather different from the ideal gas law. A solid has a certain equilibrium volume V0, and the energy increases quadratically as volume is increased or… …   Wikipedia