原创 Self-Taught Learning To Deep Networds
本博客是參照UFLDL教程的Self-Taught Learning to Deep Networds寫的,也感謝tornadomeet,看了他的博客也對自己的理解幫助不小。 一、從自我學習到深層網絡 在自
原创 機器學習練習之邏輯斯諦迴歸和牛頓方法
做完前面的線性迴歸練習後,這裏繼續練習邏輯斯諦迴歸模型http://openclassroom.stanford.edu/MainFolder/DocumentPage.php?course=MachineLearnin
原创 Softmax Regression
Softmax簡介 記得之前做過的logistic regression的練習是一個二類分類的問題,模型的假設函數是 這個函數判斷給定的x在當前的模型theta下被預測爲1的概率,顯然預測爲0的概率就是1減去預測爲1的概率即
原创 word2vec淺析
本文是參考神經網絡語言模型、word2vec相關論文和網上博客等資料整理的學習筆記,僅記錄 自己的學習歷程,歡迎拍磚。 word2vec是2013年google提出的一種神經網絡的語言模型,通過神經網絡來學習詞語的聯合概率分佈,
原创 Candy
Candy Total Accepted: 16107 Total Submissions: 85614My Submissions There are N children standing in a line
原创 Sum Root to Leaf Numbers
Sum Root to Leaf Numbers Total Accepted: 26533 Total Submissions: 89186My Submissions Question Solution G
原创 N-Queens
N-Queens Total Accepted: 12866 Total Submissions: 49759My Submissions The n-queens puzzle is the problem of pl
原创 Remove Duplicates from Sorted Array
Remove Duplicates from Sorted Array Total Accepted: 22879 Total Submissions: 70824My Submissions Given a sort
原创 理解矩陣
矩陣的意義非常重要,理解好矩陣對於學習線性代數、矩陣論、機器學習等很重要,如何去真正去理解矩陣呢?看了孟巖老師寫的理解矩陣系列,受益匪淺! 理解矩陣一: 轉載自:http://blog.csdn.net/myan/artic
原创 leetcode-Word Search
Word Search Total Accepted: 11535 Total Submissions: 58659My Submissions Given a 2D board and a word, find if
原创 leetcode-Palindrome Partitioning II
Palindrome Partitioning II Total Accepted: 11791 Total Submissions: 66110 Given a string s, partition s such
原创 Restore IP Addresses
Restore IP Addresses Total Accepted: 12696 Total Submissions: 61955My Submissions Given a string containing o
原创 leetcode-Unique Binary Search Trees II
Unique Binary Search Trees II Total Accepted: 10486 Total Submissions: 39239My Submissions Given n, generate
原创 Convolution and Pooling
博文參考standford UFLDL教程working with large images小節。 1、卷積特徵提取 之前做過的練習如sparse autoencoders、softmax regression、stack
原创 leetcode-Word Ladder II
Word Ladder II Total Accepted: 6164 Total Submissions: 58601My Submissions Given two words (start and end), a