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am 2. Oktober 1999
I read this book and it is one of the good ones. Yes it was published in 1960s but its totally fresh. It doesent use very old terminology or symbolism or anything. I get concerned about buying an old book, but for this price its a joke. I would easily pay $50 bucks for this because its solid. More text than math. Not a book chock full of equation explanations or diffucult and unproven "proofs." This book explains clearly each step and WHY! Explanations are real world examples not the "watch how cute the numbers look" examples of other books.
Definitely buy this book if you need a reference or are new to the subject.
0Kommentar|5 Personen fanden diese Informationen hilfreich. War diese Rezension für Sie hilfreich?JaNeinMissbrauch melden
am 14. März 2000
Harry Pollard was my professor for the second course in real analysis at Purdue in 1962 (he must have been writing this book then). He made differentials and manifolds crystal clear in the same easy way in which this book is written. Many authors belabor an 800 page text, and for some students this is overdone. However, if you want to get a genuine feel for ODE's as something more than a collection of techniques, you can profit highly from a leisurely but thorough tour through this book.
0Kommentar|5 Personen fanden diese Informationen hilfreich. War diese Rezension für Sie hilfreich?JaNeinMissbrauch melden
am 16. Januar 1999
I think its the best book on differential equations for the non-mathematician. Although originally published in 1963 it doesn't seem out of date at all. Despite requiring a good knowledge of differentiating and integrating methods the book is easy to follow. Many exercises with answers accompany each section. Many many pages are dedicated to show the reader where diff. equations find applications in modelling various situations of the real world.
0Kommentar|4 Personen fanden diese Informationen hilfreich. War diese Rezension für Sie hilfreich?JaNeinMissbrauch melden
am 3. Februar 1999
I have an M.A. in math but have never formally taken a course in o.d.e. I found the book very easy to read with lots of good problems. Many of the more difficult problems are accompanied by hints. The authors do a spendid job of providing the necessary theorems and their proofs early in the book to get the reader where he can solve problems, leaving the more difficult theorems for later. The book is an excellent buy.
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am 6. November 1999
I read this one after I had already learned PDEs and even I found a lot of new and curious things here. It's definitely a good one to start learning from, and also an excellent reference, with nice problems and answers to *all* of them. Wow!
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am 4. Juni 2013
This book is very usefull for people that have to teatch this subject, because of the amount of good exemples that are included.
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am 19. Dezember 2013
Two stars is pretty hard but the story is the following...
I studied physics and I want to learn more about partial differential equations. So I am to study a brilliant book about this matter and boundary conditions are a typical topic here.
When you reduce those equations to ODEs you will have them with initial and boundary conditions.
I thought: A book on ODEs should be about this topic, too - no, this is not.

First I searched for Sturm-Liouville boundary conditions... no hit in the index... nothing.
Okay, I thought well I search for boundary conditions... nothing....
What do I wrong? Do I search wrong or something?
Next step: I simply searched in the index for eigenvalue... not existing.
I felt sort of shocked... nothing about eigenvectors, too...

Learning linear algebra is very basic in universities, at least it was the case for me.
So why does the author speak about "roots of the characteristic equation"? Why not
applying any of those results already given?

This book is full of ODEs, full of examples and exercises, so hats off. The only reason to give it a second star.

In the end my fault: I should have had a deeper look at the index - so please do this.
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