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省赛之路第一天
今天是清明假期第一天,原定的到洛阳玩也成为了虚无缥缈的东东了吧,cb这位还有说的太对了,no game,no girlfriend,no holiday,only maching!这都不是什么大事,毕竟自认为还是个肯吃苦的人吧,但是组队形势不容乐观啊,由于人数的原因,我和一个大二的还有一个软件的临时...
分类:其他好文   时间:2015-04-04 19:46:22    阅读次数:110
Deep Learning by Andrew Ng --- Softmax regression
这是UFLDL的编程练习。Weight decay(Softmax 回归有一个不寻常的特点:它有一个“冗余”的参数集)后的cost function和梯度函数: cost function:J(θ)=?1m??∑i=1m∑j=1k1{y(i)=j}logeθTjx(i)∑kl=1eθTlx(i)??+λ2∑i=1k∑j=0nθ2ij\begin{align} J(\theta) = - \frac{...
分类:其他好文   时间:2015-04-04 16:47:26    阅读次数:402
knowlege experience
The konwledge is you need learning some basic knowledge.The experience is you can use konwledge make some product.
分类:其他好文   时间:2015-04-04 15:01:27    阅读次数:106
Theano学习记录(二) 多层感知机
Case 1: 使用推荐的配置  learning_rate = 0.01   L1_reg = 0.00  L2_reg=0.0001 n_epoches=1000 batch_size=20 n_hidden=500 实验结果: 实验耗时: Case 2: 自己中间加入两个隐含层,分别为400 和 300 个节点。实验配置如下:  learn...
分类:其他好文   时间:2015-04-03 19:29:53    阅读次数:218
取证学习资料DVD
http://www.infiniteskills.com/training/learning-computer-forensics.htmlhttps://www.youtube.com/watch?v=nxpu7ZeK2fMhttps://www.youtube.com/results?sear...
分类:其他好文   时间:2015-04-03 18:44:33    阅读次数:110
Codeforces Round #170 (Div. 2)---C. Learning Languages(并查集)
The “BerCorp” company has got n employees. These employees can use m approved official languages for the formal correspondence. The languages are numbered with integers from 1 to m. For each employee w...
分类:其他好文   时间:2015-04-03 15:30:55    阅读次数:135
嵌入式开发之示波器----tektronix tds2024 的使用
http://jingyan.baidu.com/article/91f5db1bf715c01c7f05e39a.htmlhttp://cn.tek.com/learning/oscilloscope-tutorial?utm_source=Baidu-Success_Events&utm_med...
分类:其他好文   时间:2015-04-03 14:59:23    阅读次数:172
frontend learning site
CORS http://caniuse.com/#search=corsFoundation http://foundation.zurb.com/docs/sass.htmlD3 http://d3js.org/Generator https://github.com/yeoman/generat...
分类:其他好文   时间:2015-04-03 14:50:15    阅读次数:108
Machine Learning - XVI. Recommender Systems 推荐系统(Week 9)
机器学习Machine Learning - Andrew NG courses学习笔记 Recommender Systems 推荐系统 Problem Formulation 问题的提出 Content Based Recommendations基于内容的推荐 Collaborative Filtering协同过滤  Collaborative...
分类:系统相关   时间:2015-04-03 11:29:27    阅读次数:334
Word2Vec之Deep Learning in NLP (一)词向量和语言模型
关于word2vec词向量与语言模型部分的理解
分类:编程语言   时间:2015-04-03 10:57:43    阅读次数:306
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