Recent content by LP_MAX

Sorry, *the* diffusion equation in this case just means that by change of variable I need to show it can be reduced to \frac{\partial U}{\partial \tau} = \frac{\partial^2 U}{\partial \tau^2}for example, the previous part of this question involves Suppose that a and b are constants. Show that...

Homework Statement Apologies if this doesn't come through properly. The question states Use a change of time variable to show that the equation c(\tau) \frac{\partial u}{\partial \tau} = \frac{\partial^2 u}{\partial x^2} can be reduced to the diffusion equation. The...