之前只知道香农于1948年发表的那篇举世瞩目的paper,《A Mathematical Theory of Communication》,过了一年拉上Warren Weaver作为共同作者出了个单行本,标题只改了一个字,《The Mathematical Theory of Communicati ...
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其他好文 时间:
2016-08-29 22:21:06
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333
Given an integer array with all positive numbers and no duplicates, find the number of possible combinations that add up to a positive integer target. ...
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其他好文 时间:
2016-08-28 07:36:20
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169
题目: Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. Each ...
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其他好文 时间:
2016-08-27 23:20:38
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127
Reference: [1] https://www.mkyong.com/regular-expressions/how-to-validate-ip-address-with-regular-expression/ Description Whole combination means, dig ...
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编程语言 时间:
2016-08-26 22:47:08
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276
题目: Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. The same re ...
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其他好文 时间:
2016-08-26 22:44:55
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151
Description Little Victor adores the sets theory. Let us remind you that a set is a group of numbers where all numbers are pairwise distinct. Today Vi ...
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其他好文 时间:
2016-08-26 20:04:14
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228
Conventional sampling techniques are based on Shannon-Nyquist theory which states that the required sampling rate for perfect recovery of a band-limit... ...
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其他好文 时间:
2016-08-22 23:00:31
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272
在k-means算法里开始选取的聚类中点是随机的,每次都会照成不同的聚类结果。有一个解决方案叫做k-means++,可以有效的选择初始聚类中心点。参考 http://theory.stanford.edu/~sergei/papers/kMeansPP-soda.pdf。 在《白话大数据与机器学习》 ...
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其他好文 时间:
2016-08-22 18:17:26
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167