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Duffing equation
(mathematics) A nonlinear second-order differential equation used to model certain damped and driven oscillators.
Duffing equations
plural of Duffing equation
Penman equation
An equation that describes evaporation from an open water surface, based on the daily mean temperature, wind speed, air pressure, and solar radiation.
Ernst equation
(mathematics) An integrable non-linear partial differential equation used in finding the exact solutions of Einstein's equations in the general theory of relativity.
Chazy equation
(mathematics) The differential equation (d³ʸ)/(dx³)=2y(d²ʸ)/(dx²)-3((dy)/(dx))².
Cassie equation
An equation describing the effective contact angle for a liquid on a chemically heterogeneous surface.
Fermat equation
(mathematics) The equation Xⁿ+Yⁿ=Zⁿ, which defines a Fermat curve.
Ehrenfest equation
Any of a group of equations that describe changes in specific heat capacity and derivatives of specific volume in second-order phase transitions.
Ehrenfest equations
rate equations
plural of rate equation