Solving PDE by Matlab

Hello, guys


Below is the equation I am trying to solve by Matlab
Image may be NSFW.
Clik here to view.
I need to get p variation with time,t, and distance,x. However, it gives only initial value of p.

I have attached the necessary files.

Can you please have a look and suggest methods for doing it wright


Attachment:Matlab files.zip (1535 bytes | downloaded 4 times)