These computer examples are written in Mathematica. If you have Mathematica available, you should try some of them on your computer. If Mathematica is not available, it is still possible to read the examples. They provide examples for several of the concepts of this book. For information on getting started with Mathematica, see Section A.1. To download a Mathematica notebook that contains these commands, go to

bit.ly/2u5R7dW