[Visitor (120.204.*.*)]answers [Chinese ]  Time :20210618  A finite difference, which means an approximation of the solution of a differential equation.
discipline
Geophysical exploration
interpretation
An approximation of the solution of a differential equation Finite difference is a commonly used numerical solution, which uses differentials instead of bias derivatives in differential equations, gets the corresponding differential equations, and obtains the approximation of differential equation solutions through the differential equations. Geophysical forward simulations often use this method. 
