mom matlab .m
alright, let's divide your big questions into a number of smaller ones
1. The MoM code using RWG basis functions is in the accompanying CD-ROM of the book, and you may also download the updated version from the book website.
2. I don't know what do you mean by defining the triangles, yu should have a number of points that define the surface of your structure and then use delauny triangulation to obtain the triangulation, the matlab function delauny defines the vertices of each triangle. You should then convert these into + and - triangles as written in the book.
3. I have used MoM to model small structures (10 lambda or so), I am not sure if it can be used for larger areas (unless you are talking about low frequency, and in such case yu will face the problem of singular matrices)
4. I don't know what do you mean by integrating MoM on the whole area, you integrate over each triangle.
regards,
Adel