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RSS订阅转载 latex宏包安装
https://blog.youkuaiyun.com/Jiajikang_jjk/article/details/80447969
2019-04-11 14:25:57
9387
转载 转载-码分多址
https://blog.youkuaiyun.com/huanhuan_Coder/article/details/83012467
2019-04-11 14:24:22
215
转载 转载-码分多址
https://blog.youkuaiyun.com/huanhuan_Coder/article/details/83012467
2019-03-07 00:38:15
395
原创 leetcode-除自身以外数组的乘积
左右遍历数组一开始还出了个错打印出来发现news也被改变了，大概是因为函数里面传进来的参数别的变量再等于它的话就会共享一个空间吧，改了就好了。...
2019-03-04 21:03:34
225
原创 word2vec
首先感谢一下joey老师，通过深度之眼这个平台认识的skip-gram听cs224n老师几次，总是没有完全理解，这次有了一个较好的认识。先附上官方notehttps://web.stanford.edu/class/cs224n/readings/cs224n-2019-notes01-wordvecs1.pdf先大致写一下这个note里面有讲什么吧：Introduction to N...
2019-03-04 16:46:47
267
原创 leetcode-盛最多水的容器
class Solution(object): def maxArea(self, height): """ :type height: List[int] :rtype: int """ maxarea=0 for i in range(len(height)-1):
2019-03-01 20:46:10
199
原创 数据竞赛达观杯-数据初识
首先是报名竞赛，下载数据，比赛链接。数据下好之后会有一个train_set和test_set。我们先把train_set分为train_set和valid_set。先把csv格式数据读入python中csv读入会以下两种办法：用csv标准库读取import csvcsv_reader = csv.reader(open("train_set.csv"))用pandas读取...
2019-03-01 20:07:26
445
原创 leetcode-删除重复
第一遍class Solution(object): def removeDuplicates(self, nums): """ :type nums: List[int] :rtype: int """ if len(nums)==0: return 0 j=0 ...
2019-02-28 21:11:13
169
原创 leetcode-有效符号
https://leetcode-cn.com/problems/valid-parentheses/submissions/问题：还不知道怎么样是提高效率，只会随便使用完成结果class Solution(object): def __init__(self): self.bracket_l = ['(','[','{'] self.bracket_r...
2019-02-27 21:35:52
277
原创 week1-nlp-coursera 代码
from ast import literal_evalliteral_eval函数pandas.read_csv(filename, sep=’\t’)官方网址：http://pandas.pydata.org/pandas-docs/stable/generated/pandas.read_csv.html此处用到的参数解释：此函数的作用-Read CSV (comma-sep...
2018-11-06 23:09:09
154
原创 week1-text preprocessing->feature extraction
This week, we focus on text classificationtext preprocessingTokenizationNormalizationtips: text classification can be used to sentiment analysis.text preprocessingTokenizationHow to process text d...
2018-11-05 10:50:07
366
原创 week1-nlp-coursera-docker安装配置
官方课程关于docker安装操作系统win10, 官网下载安装docker toolbox
2018-11-04 22:40:29
167
原创 week1-nlp-coursera-intro
Intro to NlpMain approaches in NlpRule-based methodProbabilistic modeling and machine learningDeep learningArrangementMain approaches in NlpHere, this video goes through all three main approaches by...
2018-11-02 11:27:49
151
原创 cs229第一节课-初识机器
目录监督学习无监督学习监督学习supervised learning, Andrew Ng doesn’t give its definition directly. He use two examples:Regression and Classification.Still classificationMore than one featureTherefore, in my o...
2018-10-31 16:34:50
164
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