plural of integral equation

(mathematics) (d²ʸ)/(dx²)-xy=0,,!, the simplest second-order linear differential equation with a turning point (a point where the character of the solutions changes from oscillatory to exponential).

plural of exponential equation

(biology, genetics, cytology) The second of the two divisions of meiosis, a type of cell division.

plural of Arrhenius equation

(mathematics) An equation involving an ordered sequence of real numbers (a_nₙ₌₁ ᪲) and some of its differences, where the first difference is defined as 𝛥(a_n)=a_n+1-a_n, and the kᵗʰ difference is defined recursively as 𝛥ᵏ(a_n)=𝛥ᵏ⁻¹(a_n+1)-𝛥ᵏ⁻¹(a_n),.

(mathematics) a set of equations required to be satisfied simultaneously or considered as a whole

An equation that describes evaporation from an open water surface, based on the daily mean temperature, wind speed, air pressure, and solar radiation.

An equation describing the effective contact angle for a liquid on a chemically heterogeneous surface.

(mathematics) An integrable non-linear partial differential equation used in finding the exact solutions of Einstein's equations in the general theory of relativity.