<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Wind_Desert的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Wind_Desert</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Wind_Desert]]></copyright><item><title><![CDATA[简单对数不等式的证明]]></title><link>https://blog.youkuaiyun.com/Wind_Desert/article/details/70234451</link><guid>https://blog.youkuaiyun.com/Wind_Desert/article/details/70234451</guid><author>Wind_Desert</author><pubDate>Wed, 19 Apr 2017 00:25:29 +0800</pubDate><description><![CDATA[简单对数不等式的证明



证明: 1n+1ln(1+1n)1n,n∈N+\frac{1}{n+1}



令an=(1+1n)n,bn=(1+1n)n+1a_n=(1+\frac{1}{n})^n,b_n=(1+\frac{1}{n})^{n+1}，则 
an=(1+1n)n=∑k=0nCkn1nk=1+∑k=1nn(n−1)…(n−k+1)k!1nk=1+1+12!(1−1n)+⋯+
\beg]]></description><category></category></item><item><title><![CDATA[菜鸟的逆向经验（一）：尝试脱壳UltraISO]]></title><link>https://blog.youkuaiyun.com/Wind_Desert/article/details/54410976</link><guid>https://blog.youkuaiyun.com/Wind_Desert/article/details/54410976</guid><author>Wind_Desert</author><pubDate>Fri, 13 Jan 2017 18:03:11 +0800</pubDate><description><![CDATA[菜鸟的我终于开始了脱壳的第一次尝试，虽然失败了好多遍但是总算是知道了怎么做了，接下来就来说一下基本的思路。 
    查壳，发现是Aspack壳。 
 
    通过OllyDBG找到入口点，利用ESP定律就可以了。 
 
 
注意到 
push addr 
retn 
相当于 
jmp addr 
表示直接跳转到OEP 
    找到OEP之后就可以dump了，使用LordPE将当前的内存dump]]></description><category></category></item><item><title><![CDATA[离散傅里叶变换的推导]]></title><link>https://blog.youkuaiyun.com/Wind_Desert/article/details/52989050</link><guid>https://blog.youkuaiyun.com/Wind_Desert/article/details/52989050</guid><author>Wind_Desert</author><pubDate>Tue, 01 Nov 2016 00:13:05 +0800</pubDate><description><![CDATA[通过数学方法自行推导了周期数列的傅里叶级数与有限数列的离散傅里叶变换]]></description><category></category></item><item><title><![CDATA[三硬币模型的变分贝叶斯EM解法]]></title><link>https://blog.youkuaiyun.com/Wind_Desert/article/details/52961448</link><guid>https://blog.youkuaiyun.com/Wind_Desert/article/details/52961448</guid><author>Wind_Desert</author><pubDate>Sat, 29 Oct 2016 00:27:30 +0800</pubDate><description><![CDATA[将三硬币模型推广为贝叶斯概率并利用变分贝叶斯EM算法来估计参数]]></description><category></category></item><item><title><![CDATA[通过三门问题解释贝叶斯概率]]></title><link>https://blog.youkuaiyun.com/Wind_Desert/article/details/52951787</link><guid>https://blog.youkuaiyun.com/Wind_Desert/article/details/52951787</guid><author>Wind_Desert</author><pubDate>Fri, 28 Oct 2016 00:43:30 +0800</pubDate><description><![CDATA[通过贝叶斯公式来求解三门问题，并解释贝叶斯概率的一些常识]]></description><category></category></item></channel></rss>