# Math Help - Classify Equation

1. ## Classify Equation

Anyone know what equation this is:

$\frac{\partial c}{\partial t} = Dm\frac{\partial^2 c}{\partial x^2}$

Nope- no idea what any of the variables are- just wondering if you recognize it.

$\frac{\partial c}{\partial t} = Dm\frac{\partial^2 c}{\partial x^2}$