\(\definecolor{frog}{rgb}{1,0,0}\) \(\newcommand{\dx}{\,\text{d}x}\) \(\newcommand{\du}{\,\text{d}u}\) \(\newcommand{\dy}{\,\text{d}y}\) \(\newcommand{\dt}{\,\text{d}t}\)

1 Welcome

This is just the hub page. Not needed, but it could provide a menu on the left to jump to any particular chapter.

Most easily done by hard-coding the chapter links into the _quarto.yml file, in the sidebar with id: hub.