And so, every semester, Alistair’s inbox flooded with the same plea: “Professor Finch, I did Problem 4.17 on cubic splines. My coefficients are slightly different from the back of the book. Is my code wrong, or is the book’s answer rounded?”
Alistair forwarded that reflection to Maya. She replied: “This is exactly why I added the ‘Discussion of Pitfalls’ section. But maybe we need a ‘Common Student Mistakes’ appendix.” And so, every semester, Alistair’s inbox flooded with
Her reply came twelve minutes later:
They added it.