Laplace's equation

名词noun

1. 1(potential theory) The partial differential equation ∂2φ∂x12+∂2φ∂x22+⋯+∂2φ∂xn2=0, commonly written Δφ=0 or ∇2φ=0, where Δ (=∇2) is the Laplace operator and φ is a scalar function.