具体描述
Every day, we use our computers to perform remarkable feats. A simple web search picks out a handful of relevant needles from the world's biggest haystack: the billions of pages on the World Wide Web. Uploading a photo to Facebook transmits millions of pieces of information over numerous error-prone network links, yet somehow a perfect copy of the photo arrives intact. Without even knowing it, we use public-key cryptography to transmit secret information like credit card numbers; and, we use digital signatures to verify the identity of the websites we visit. How do our computers perform these tasks with such ease? This is the first book to answer that question in language anyone can understand, revealing the extraordinary ideas that power our PCs, laptops, and smartphones. Using vivid examples, John MacCormick explains the fundamental "tricks" behind nine types of computer algorithms, including artificial intelligence (where we learn about the "nearest neighbor trick" and "twenty questions trick"), Google's famous PageRank algorithm (which uses the "random surfer trick"), data compression, error correction, and much more. These revolutionary algorithms have changed our world: this book unlocks their secrets, and lays bare the incredible ideas that our computers use every day.
用户评价
##Nice introduction to a world between my fingers.
评分虽然文笔不怎么样，但确实用日常语言和例子解释了不少算法的基本理念。
评分##一本写给没有CS背景读者的算法科普书，作者非常成功地做到了深入浅出，运用很多形象的类比解释清楚了密码学/数字签名/搜索引擎排名等最广泛渗透到我们日常生活里的算法。读完最大的意外收获是终于知道现在每天苦逼学习的抽象代数有什么实际应用价值了。
评分##非常浅显
评分##Clear and clever states for difficult concepts. May I do something similiarly?
评分##没有数学、没有代码，讲的全部是“直觉”层面的东西，神作！
评分##必须承认作者尝试将非常技术的内容通过科普式的角度进行解释，做的不错 —— 解释清楚了，但是，我非常怀疑本书的目标读者：IT从业者看这个顶多算个消遣，但是却没啥趣味；对于非IT从业者估计挺难有这么大兴趣并化不少时间读完这些比较啰嗦的解释/类比。如果作者能将本身简化为1/2/或1/3，并增加一些应用的/有趣的场景例子，估计会更好卖
评分##很好很明白，但过于简单，只适合极其外行的朋友
评分##一本写给没有CS背景读者的算法科普书，作者非常成功地做到了深入浅出，运用很多形象的类比解释清楚了密码学/数字签名/搜索引擎排名等最广泛渗透到我们日常生活里的算法。读完最大的意外收获是终于知道现在每天苦逼学习的抽象代数有什么实际应用价值了。
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