Nine Algorithms That Changed the Future pdf epub mobi txt 電子書下載 2026

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John MacCormick

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具體描述

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.

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##必須承認作者嘗試將非常技術的內容通過科普式的角度進行解釋，做的不錯 —— 解釋清楚瞭，但是，我非常懷疑本書的目標讀者：IT從業者看這個頂多算個消遣，但是卻沒啥趣味；對於非IT從業者估計挺難有這麼大興趣並化不少時間讀完這些比較囉嗦的解釋/類比。如果作者能將本身簡化為1/2/或1/3，並增加一些應用的/有趣的場景例子，估計會更好賣

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##能把復雜的東西通過這種通俗的語言和例子錶述齣來，真的很好，值得學習。看完瞭9個算法，沒有看最後一章what's computable。特彆喜歡前麵2章，講search engine和page rank。最後2章沒有看那麼仔細，跳著看的。

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##簡潔易懂

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##我已經跟不下五個朋友說過，“我最近讀瞭個一本書叫九個超屌算法改變未來”，讀完之後覺得世界真他媽奇妙啊.........

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##適閤沒有任何基礎的人閱讀，有點囉嗦

評分☆☆☆☆☆

##偉大的思想都來自對生活細微處的思考。然而說實話，廢話太多（針對計算機係的來說)。

評分☆☆☆☆☆

##偉大的思想都來自對生活細微處的思考。然而說實話，廢話太多（針對計算機係的來說)。