Heat equation
= Heat equation
{wiki}
The heat equation
$$
u_t=D\nabla^2u,
\qquad D>0,
$$
models diffusion with constant diffusivity $D$.
= Heat equation
{wiki}
The heat equation
$$
u_t=D\nabla^2u,
\qquad D>0,
$$
models diffusion with constant diffusivity $D$.