For the vector fields just anyone with a couple of singularities would work. The moment you set unequal axes Mathematica blows up. Sorry but am home. If you ma

For the vector fields just anyone with a couple of singularities would work. The moment you set unequal axes Mathematica blows up. Sorry but am home. If you mail me during the week I shall find examples for you. The matrix was something I saw happen, I do not have the example handy, sorry.