Appendix A. Notation
If the reader is conversant with the conventions of 3D vector notation and has used complex variables, this appendix should be elementary and can be skipped. Nevertheless, for anyone who might benefit from a quick summary, or who might be accustomed to substantially different notational conventions from the author, the summary presented here may be essential in order to follow some of the notation in the main body of the book. In particular, the explanations of basic quaternion notation in Chapter 4 depend strongly on the notation given here.
Vectors
A vector x is a set of real numbers we typically write in the form
Equation A.1.
for two-dimensional (2D) vectors, and as
Equation A.2.
for three-dimensional (3D) vectors. Technically, ...
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