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【桶排序】求无序数组中最大的“Gap"
题目:leetcode Given an unsorted array, find the maximum difference between the successive elements in its sorted form. Try to solve it in linear time/space. Return 0 if the array contains less than 2...
分类:编程语言   时间:2015-03-06 11:23:28    阅读次数:248
Softmax回归
Reference:http://ufldl.stanford.edu/wiki/index.php/Softmax_regression起源:Logistic的二类分类 Softmax回归是Logistic回归的泛化版本,用于解决线性多类(K类)的分类问题。Logistic回归可以看作是Softm...
分类:其他好文   时间:2015-03-05 20:58:17    阅读次数:151
机器学习基石笔记9——机器可以怎样学习(1)
Linear Regression 线性回归
分类:其他好文   时间:2015-03-05 01:29:40    阅读次数:172
建一个简单的用户界面
Create a Linear Layout(创建一个线性布局)注释:android:orientation="vertical"水平线性布局,"horizontal"垂直水平线性 match_parent:This value declares that the view should expan...
分类:其他好文   时间:2015-03-03 20:11:56    阅读次数:131
css3锯齿边框
.bg{ width:300px; height:50px; background:#caca8c; background-image:-webkit-gradient( linear,50% 0,0 100%, from(transparent), color-stop(.5,transparent),...
分类:Web程序   时间:2015-03-03 16:42:15    阅读次数:449
css背景色渐变详解
demo下载地址:http://download.csdn.net/download/tjcyjd/8468581 直接把代码贴出来,如下: .linear{ width:100%; height:auto; FILTER: progid:DXImageTransform.Microsoft.Gradient(gradien...
分类:Web程序   时间:2015-03-03 13:37:59    阅读次数:208
小结css2与css3的区别
CSS3引进了一些新的元素新的特性,我收集以下,自己做了一个小结:animation(基础动画)eg: div{animation: myfirst 5s linear 2s infinite alternate;/* Firefox: */-moz-animation: myfirst 5s li...
分类:Web程序   时间:2015-03-02 23:41:14    阅读次数:251
Machine Learning - VIII. Neural Networks Representation (Week 4)
机器学习Machine Learning - Andrew NG courses学习笔记 Neural Networks Representation神经网络表示 Non-linear Hypotheses非线性假设 Neurons and the Brain神经元和大脑 Model Representation模型表示 Examples and Intu...
分类:Web程序   时间:2015-02-27 22:58:55    阅读次数:195
LeetCode 笔记26 Single Number II
Given an array of integers, every element appearsthreetimes except for one. Find that single one.Note:Your algorithm should have a linear runtime comp...
分类:其他好文   时间:2015-02-27 22:53:05    阅读次数:129
Machine Learning - VII. Regularization (Week 3)
http://blog.csdn.net/pipisorry/article/details/43884027 机器学习Machine Learning - Andrew NG courses学习笔记 The Problem of Overfitting Cost Function Regularized Linear Regression R...
分类:系统相关   时间:2015-02-27 13:38:19    阅读次数:177
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