(physics) A three-dimensional partial differential equation which determines the evolution of a quantum mechanical wave function

(calculus) An equation involving the derivatives of a function of only one independent variable.

plural of Einstein field equation

(relativity) A symmetric 4 × 4 tensor equation in general relativity in which the gravitational force is described as a curvature of spacetime caused by matter and energy.

plural of partial differential equation

plural of ordinary differential equation

plural of delay differential equation

plural of stochastic differential equation

(calculus) a type of differential equation in which one or more of the terms is a stochastic process resulting in a solution which is itself a stochastic process

(calculus) a type of differential equation in which the derivative of the unknown function at a certain time is given in terms of the values of the function at previous times