Laplacian
= Laplacian
{title2=$\Delta$}
{wiki}
The Laplacian of a twice differentiable scalar field is the divergence of its gradient, $\nabla^2f=\nabla\cdot\nabla f$; it acts componentwise on vector fields.
= Laplacian
{title2=$\Delta$}
{wiki}
The Laplacian of a twice differentiable scalar field is the divergence of its gradient, $\nabla^2f=\nabla\cdot\nabla f$; it acts componentwise on vector fields.