Vector Calculus - Laplacian operator for product of scalar fields
Solution 1:
Use the product rule for divergence:
$$\nabla \cdot (f v) = \nabla f \cdot v + f \nabla \cdot v$$ for scalar function $f$ and vector field $v$.
Vector Calculus - Laplacian operator for product of scalar fields
Solution 1:
Use the product rule for divergence:
$$\nabla \cdot (f v) = \nabla f \cdot v + f \nabla \cdot v$$ for scalar function $f$ and vector field $v$.