Errata
If you think that you have found any kind of mistake, typo, or other error anywhere in the third edition of the book, please let us know through the contact form below. After moderation, an updated erratum will then be published below. Errata of earlier versions can be found on their respective pages on this website.
In chapter 2.1, on page 12, there is a reference to the term X1iZj, but I believe there is a subscript letter ‘j’ missing, since in formula 2.5 on page 11 there is only mention of the term X1iZj