u010412904-优快云博客

原创 rnn和lstm

RNN区别于普通神经网络的地方在于，前一时刻的状态会影响到后一时刻的状态，在网络结构上呈现隐藏层的自循环结构，不同时刻的参数共享，

2017-12-01 22:14:13 460

原创对逻辑斯谛回归使用sigmoid的理解

看完统计学习方法对逻辑斯谛的讲解之后，产生了一点疑问，为什么输出结果的概率分布可以用逻辑斯谛分布来表示？给定x的条件下，y的分布一定服从逻辑斯谛分布吗？

2017-11-27 10:32:32 1309

原创 leetcode Perfect Squares

279. Perfect SquaresGiven a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n.For example, given n = 12, return 3 because

2017-06-28 15:17:02 255

原创 leetcode Number Complement

476. Number ComplementGiven a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation.Note:The given integer is guara

2017-06-28 10:05:27 228

原创 leetcode 132 Pattern

456. 132 PatternGiven a sequence of n integers a1, a2, ..., an, a 132 pattern is a subsequence ai, aj, ak such that i j k and ai < ak j. Design an algorithm that takes a list of n nu

2017-06-27 20:40:29 402

原创 leetcode Shortest Unsorted Continuous Subarray

Java leetcode 数组里找到排序混乱的最短连续数组

2017-06-27 11:37:53 216

原创 leetcode Reverse Integer & Palindrome Number

java leetcode 翻转整数&判断整数是否回文

2017-06-26 16:24:35 258

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