Δ∇🌌

#vector calculus #differential operators #laplacian #curl #mathematical physics #field theory

∇²Ψ

#laplacian #pde operator #vector calculus #differential operator #schrödinger equation

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#laplacian #laplace operator #differential operator #vector calculus #pde

Δ📐⚡️∇²

#laplace operator #laplacian #differential operator #del squared #potential theory #vector calculus #pde