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Reviews Written by Fei Erde "Fei Erde"







0 of 1 people found the following review helpful
Excellent for fleshing out your knowledge, January 22, 2015
I work as a data scientist writing a lot of code, but my educational background is more in math so my knowledge of computer science has holes in it. I got this book to close those gaps, and it works fantastically. I strongly recommend this book if you already have some familiarity with programming languages and want to develop a more complete understanding.









1 of 1 people found the following review helpful
piece of crap, June 23, 2014
This thing is built with such lousy mechanical tolerances that it is almost impossible to put together (screw holes not lining up, that kind of thing) and, once assembled, won't even sit flat on my doorway. Also they advertised it as being in "new" condition, but it's obviously used and has lots of wear and tear









constant software glitches, May 26, 2014
We bought this phone from the ATT store and have been having constant issues with it. The most recent one, which prompted me to write this review, is that I just realized the clock is behind one hour  the time always spazzes out for many days if I ever move between time zones. That's not all. The phone constantly freezes up. A number of the apps have awful bugs and oversights. It's so bad that my fiance and I have adopted the phrase "android happens" to describe when some conspicuous bug or design flaw rears its head and causes a hiccup in the day.









3 of 5 people found the following review helpful
I was her student, March 3, 2013
I took Mor's class at CMU, and her lecture notes were a precursor to this book. I also used the lecture notes later for some research I was doing. They were so clear and easy to learn from that I strongly suggested to her at the time she should make a textbook out of them; it turned out she was already in the process of writing this book. My review is based on those lecture notes, and on my perusal of the contents of the finished book.
Mor is possibly the clearest theory teacher I've ever had, despite having two theoryoriented masters degrees, and every ounce of her teaching ability comes through in her writing. Her lecture notes were a pleasure to read, exceptionally well organized, and easy to understand. The only caveat is that the focus is on problems that are solvable analytically (pencilandpaper rather than simulation); if you are a practitioner working with real systems, you may also want to read up on discrete event simulations and nonpoisson processes.
I enthusiastically recommend this book not just for people studying computer systems, but for anybody interested in queueing theory or stochastic processes. For the subject matter it covers, this is by FAR the best treatment I've ever seen. It's an absolute gem.









6 of 6 people found the following review helpful
Great, but with some interface bugs, October 1, 2012
My girlfriend and I both downloaded the game and compete to try and get the best scores. It's a ton of fun, and for the most part we're very satisfied with the game. It's classic tertris  simple, minimalist, and wildly addictive. The one problem is that the interface seems to have a couple bugs. For example, the "drop" button sometimes will drop two pieces rather than just one, or a piece will fail to turn when you tap the screen. It seems like interface problems are usually what do us in at the end of a game (though of course if you keep the level of pieces very low, you'll always have time to recover), so it's very annoying. However, those bugs could be from the hardware interface of the kindle as easily as from the game itself.









1 of 1 people found the following review helpful
worst movie I've ever seen, November 9, 2011
This is probably the worst movie I've ever seen. The plot is cheezy and predictable, and the execution is tremendously shoddy. The only legit reason to watch it is the softcore porn, and even that is mediocre at best. That leaves the Plan 9 reason; I highly recommend this movie if you enjoy watching firey train wrecks.









0 of 3 people found the following review helpful
absolutely fabulous, February 5, 2011
This book was my first introduction to real analysis, and is possibly the best math book I've ever used. I did not have the mathematical maturity at the time that I do now, so accept that as a qualification to my review. But I found the treatments to be extremely accessible and his writing style to be very engaging. He presents several quite different examples of metric spaces near the beginning of the book, and whenever he discusses a major concept in metric spaces he shows what it means for each of his example spaces. His presentation of measure theory and Lebesgue measure is also fantastic; I always recommend that people just read this chapter rather than taking a course on measure theory.
Finally, his first chapter on set theory is fabulous. As an undergrad, with having read that chapter once being my only knowledge of set theory, I was able to easily do all of the homework of my friends who were struggling in their set theory classes  I was always the person they would come to for help.
I'm considering buying Kolmogorov's functional analysis book, even though it's not my area, just because he wrote it. It's just a shame that I haven't found a probability textbook by him; it's my main area and the place where he made his most important contributions.









1 of 1 people found the following review helpful
extremely good, a *tad* bit scared of numbers, November 24, 2010
I got this book partly to get an alternative take on investing; I usually read stuff about Buffett, and found that he and Lynch express largely the same ideas but in different ways. The book is sort of a guide to investing for the layman, with particular emphasis on what makes for a really superb growth stock that layman would probably notice before professionals. There are many examples, and Lynch is a good writer with disarming humility considering his accomplishments. My one complaint is that he generally avoids nittygritty discussions of numbers and how to evaluate whether they are good or bad; I think he figures laymen are scared of numbers, which by and large is true.









1 of 1 people found the following review helpful
strange taste, November 24, 2010
At first I really like this protein powder, but eventually got tired of the taste. It's very different from other protein powders, but I think it's worth trying once.









15 of 16 people found the following review helpful
incredible!, June 12, 2006
This is probably the best math book I've ever read. Unlike other stuffy books, this one is very personable and informal. It is extremely readable, the explanations are crystalclear and very intuitive and wellmotivated, plus the author inserts a lot of humor (it's so nice to be reminded that mathematicians are humans). There are fascinating examples culled from applications.
I should note two things. First, it is not a proofbased book. It discuesses the cool theorems and gives intuitive justifications, but the author is clear that his goal is to build intuition and give experience with the techniques, rather than mathematical rigor (thankfully, he is honest about this and points to areas where more rigor could be introduced, rather than giving the unnatural and awkward hybrid of rigor and intuition attempted by many calculus books). Second, a lot of the problems (though certainly not all) deal with pathological and/or special cases, so it's possible for teachers to give fairly onerous homeworks.


