Problem with solving pde in matlab

The following Matlab project contains the source code and Matlab examples used for problem with solving pde. Dear all I am solving this equation DuDt+exp(-4x^2)DuDx=0 u(x,0)=atanh(0.1exp(-100x^2)); for matlab this pde must be very easy for sloving. Please help me may be i have mistake in mcode

The source code and files included in this project are listed in the project files section, please make sure whether the listed source code meet your needs there.

Project Files: 

File NameSize
license.txt 1304
PDEonMatlab.m 1552