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I wondered the same. I have no idea, other than to speculate. In this case, it might be out of habit (since this is usually how textbooks are written) or lazine
by AcademicHamster 6y ago
I wondered the same. I have no idea, other than to speculate. In this case, it might be out of habit (since this is usually how textbooks are written) or laziness. I can’t recommend any of these books for self-studies unless the person studying is fine with posting every exercise they do online for correctness checks or can hire a tutor.
- carapace 6y agoIt's really hard to do (at all, let alone well) but the point is to encode more information in the problems such that, by solving them oneself, the student gains direct understanding of some technique or application or extension that wasn't covered in the main text. In a (well-written) textbook there might be five or tens times as much information latent in the (solving of the) exercises than in the entire preceding chapter. Writing these kinds of sets of exercises is very challenging, much harder than just writing a textbook.