ABSTRACT
Cartesian coordinate system (x, y, z):
Cylindrical coordinate system (r, φ, z):
Laplacian:
Spherical coordinate system (r, θ, φ):
Laplacian:
Cartesian coordinate system (x, y, z):
Cylindrical coordinate system (r, φ, z):
Laplacian:
Spherical coordinate system (r, θ, φ):
Laplacian: