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Title: very confusing book
Review: it seems like all the people reviewing this book has taken diffe at rice university, and no other universities have assigned this book. fortunately, i did not attend professor polking's section (i sat in on the first day and quickly switched sections). professor polking is a nice guy, and offers help when you need it (having said that, hopefully i won't feel so bad in my subsequent bashing). however, the book, like the second reviewer said, has very confusing proofs. the book is mostly just talk, and it's hard to tell what the key points (key equations) of each section are. it's also confusing because the sections aren't "sectioned" off--what leads to which key point? rather, it just seems to be one big blob of text, with the equations interspersed throughout. sure, buy it if it's required, but keep attend all lectures (if you are a college student) and keep another differential equations book handy, as you will undoubtedly not have a clue what polking is talking about.
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