The following Matlab project contains the source code and Matlab examples used for a simple code to solve nonlinear bvps with layers .
A simple code to solve and then plot the solution of the singularly perturbed nonlinear BVP
ep*y'' = f(x, y, y', ep) for xL < x < xR
y(xL) = yL , y(xR) = yR
It is not as sophisticated as bvp4c, but it allows for easy manipulation of the solution procedure and solves the problem relatively quickly.