<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[lemonwyc的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/lemonwyc</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; lemonwyc]]></copyright><item><title><![CDATA[virtualBox中ubuntu全屏方法]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/41382793</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/41382793</guid><author>lemonwyc</author><pubDate>Sat, 22 Nov 2014 16:20:14 +0800</pubDate><description><![CDATA[在VirtualBox中安装了Ubuntu12.04，屏幕不能全屏，调节屏幕风辨率最大只能到1024X768，屏幕四周空着许多白框，很不舒服。

解决办法：

1.安装virtualbox的增强功能：VirtualBoX---设备---安装增强功能（执行之后可以将相关增强软件包加载到ubuntu的虚拟光驱下）

2.定位到增强功能虚拟光驱文件夹下： cd /media/VBOXADDI]]></description><category></category></item><item><title><![CDATA[ubuntu中eclipse安装pydev不显示的解决方法]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/41382591</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/41382591</guid><author>lemonwyc</author><pubDate>Sat, 22 Nov 2014 16:16:27 +0800</pubDate><description><![CDATA[最近换了台电脑，安装eclipse+pydev时翻开以前的记录，结果安装完竟然没有显示pydev，]]></description><category></category></item><item><title><![CDATA[ubuntu12.04 the system is running in low-graphics mode的解决方案]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/41178281</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/41178281</guid><author>lemonwyc</author><pubDate>Sun, 16 Nov 2014 21:15:47 +0800</pubDate><description><![CDATA[不知道是不是昨天装JDK7，修改了环境变量配置的原因，今天一打开virtualbox虚拟机 ubuntu系统时，就出现屏幕闪跳闪跳的，然后提示：the system is running in low-graphics mode，貌似是显卡问题，在网上搜了以后，根据网络上的解决方案，主要有两种，
一是进入terminal模式 

sudo apt-get install fglrx；然后su]]></description><category></category></item><item><title><![CDATA[《python for data analysis》笔记三--Numpy基础：arrays和向量化计算2]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/40860237</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/40860237</guid><author>lemonwyc</author><pubDate>Thu, 06 Nov 2014 14:34:56 +0800</pubDate><description><![CDATA[继续Numpy基础...
Fancy Indexing
指的是用一个整数array来当做index下标，比如：arr[[4,3,0,6]] ，中间的那个array就是一个fancy indexing形式。也可以是负数形式，如arr[[-3,-5,-7]]；
当传进的参数是multiple index arrays时，会选择各个array的相同下标，做为一个下标，比如：
arr = np.a]]></description><category></category></item><item><title><![CDATA[《python for data analysis》笔记二--Numpy 基础：arrays 和向量化计算 1]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/40859917</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/40859917</guid><author>lemonwyc</author><pubDate>Thu, 06 Nov 2014 14:04:13 +0800</pubDate><description><![CDATA[numpy库是几乎本书所有更高级工具的基础。它主要提供：
※ ndarray，速度快且空间高效的多维array，可进行向量化算术操作和更高级推广应用能力；
※ 标准数学函数，可快速执行整个array上的数据操作，而不需要写循环；
※ 读写硬盘数据的工具，以内存映射（memory-mapped）方式工作；
※ 线性代数，随机数生成，傅里叶变换功能；
※ 整合C++,C, Fortran代码]]></description><category></category></item><item><title><![CDATA[《python for data analysis》笔记一 -- ipython简介]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/40859621</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/40859621</guid><author>lemonwyc</author><pubDate>Thu, 06 Nov 2014 13:42:43 +0800</pubDate><description><![CDATA[开始学习《python for data analysis》这本书，把做的]]></description><category></category></item><item><title><![CDATA[python学习笔记18-正则表达式]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/40211191</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/40211191</guid><author>lemonwyc</author><pubDate>Tue, 21 Oct 2014 20:32:16 +0800</pubDate><description><![CDATA[1. 正则表达式简介
正则biao'da's]]></description><category></category></item><item><title><![CDATA[python学习笔记17：文件操作]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/40207585</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/40207585</guid><author>lemonwyc</author><pubDate>Sat, 18 Oct 2014 09:10:02 +0800</pubDate><description><![CDATA[1. 文本的读入和写出
文件的绝对了]]></description><category></category></item><item><title><![CDATA[python学习笔记16：tuple, set, dictionary]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/40190111</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/40190111</guid><author>lemonwyc</author><pubDate>Fri, 17 Oct 2014 20:58:13 +0800</pubDate><description><![CDATA[这三种简单介绍

1. Tuples]]></description><category></category></item><item><title><![CDATA[ubuntu下Eclipse中安装C/C++环境]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/40185601</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/40185601</guid><author>lemonwyc</author><pubDate>Fri, 17 Oct 2014 14:34:16 +0800</pubDate><description><![CDATA[由于要用C/C++编程，mac好像不支持VS，所以在xu'ni]]></description><category></category></item><item><title><![CDATA[Machine Learning In Action -- ID3决策树学习算法的python实现]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/39301925</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/39301925</guid><author>lemonwyc</author><pubDate>Tue, 16 Sep 2014 14:40:48 +0800</pubDate><description><![CDATA[decision tree Learning 决策树学习笔记

决策树学习是一种相对比较简单的分类学习方法，但是分类效果较好并且表示直观，主要针对离散型目标，它也等价于用if-then规则表示。




决策树学习在Mitchell的《机器学习》第三章中有详细讲解，也有许多人做了详细的笔记，比如http://www.cnblogs.com/pangxiaodong/archive/2]]></description><category></category></item><item><title><![CDATA[python学习笔记15--Lists]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/38109779</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/38109779</guid><author>lemonwyc</author><pubDate>Wed, 10 Sep 2014 18:59:08 +0800</pubDate><description><![CDATA[这一节学习python的list类型，python的基本数据类型都]]></description><category></category></item><item><title><![CDATA[python学习笔记14--用Tkinter实现GUI编程]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/38071281</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/38071281</guid><author>lemonwyc</author><pubDate>Thu, 24 Jul 2014 09:43:43 +0800</pubDate><description><![CDATA[前面我们学习了turtle绘制图形文字的yi'x]]></description><category></category></item><item><title><![CDATA[python学习笔记13--类和对象]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/38031717</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/38031717</guid><author>lemonwyc</author><pubDate>Tue, 22 Jul 2014 10:34:14 +0800</pubDate><description><![CDATA[1. 类和对象简介]]></description><category></category></item><item><title><![CDATA[python学习笔记12--函数]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/38018309</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/38018309</guid><author>lemonwyc</author><pubDate>Mon, 21 Jul 2014 16:41:58 +0800</pubDate><description><![CDATA[python中也可以定义函数，一方面可以重用]]></description><category></category></item><item><title><![CDATA[python学习笔记11--控制语句]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/37830575</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/37830575</guid><author>lemonwyc</author><pubDate>Tue, 15 Jul 2014 21:12:40 +0800</pubDate><description><![CDATA[python中比较常见的三种控制语句，if、while、for，主要用来控制分支]]></description><category></category></item><item><title><![CDATA[python学习笔记10--random模块]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/37760449</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/37760449</guid><author>lemonwyc</author><pubDate>Mon, 14 Jul 2014 13:59:20 +0800</pubDate><description><![CDATA[random模块是python中的伪随机数生成模块，]]></description><category></category></item><item><title><![CDATA[python学习笔记9--用turtle简单绘图2]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/37723743</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/37723743</guid><author>lemonwyc</author><pubDate>Sat, 12 Jul 2014 11:19:05 +0800</pubDate><description><![CDATA[前面写了一篇用turtle简单绘图，]]></description><category></category></item><item><title><![CDATA[python学习笔记8--format]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/37700565</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/37700565</guid><author>lemonwyc</author><pubDate>Sat, 12 Jul 2014 10:02:57 +0800</pubDate><description><![CDATA[format()是python的内置函数，主要用来控制输出的格式，]]></description><category></category></item><item><title><![CDATA[Machine Learning In Action -- kNN的python实现]]></title><link>https://blog.youkuaiyun.com/lemonwyc/article/details/37670969</link><guid>https://blog.youkuaiyun.com/lemonwyc/article/details/37670969</guid><author>lemonwyc</author><pubDate>Fri, 11 Jul 2014 20:08:02 +0800</pubDate><description><![CDATA[从今天开始同时学习Machine Learning]]></description><category></category></item></channel></rss>