Thanks for the pdf. I've got a comment that is intended to be helpful. In the first few pages you are developing the matrix by analogy. The analogies are a little confusing. The later sections on history are much clearer. It is in those passages that I saw the matrix in operation.
CG _______________________________________________ pen-l mailing list [email protected] https://lists.csuchico.edu/mailman/listinfo/pen-l
