How can I solve PDE's numerically?

I am new in MATLAB and need help to solve my equations numerically. I have three PDE's with boundary conditions. How i can i solve it on MATLAB? Any help would be appreciated. Kindly refereed to attached file.

[John D'Errico]

Do this in MATLAB:

lookfor pde

Read the documentation for those tools. You will need to do a fair amount of reading, then understanding how to use those tools, since it appears you have little knowledge of MATLAB to start with. That suggests you probably need to learn MATLAB. But you need to do that anyway.

[Torsten]

help pdepe