<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[czw's blog]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/CZWin32768</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; CZWin32768]]></copyright><item><title><![CDATA[RNN 公式及其推导]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/80039682</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/80039682</guid><author>CZWin32768</author><pubDate>Sun, 22 Apr 2018 16:03:44 +0800</pubDate><description><![CDATA[ 



通过时间反向传播

从 t=1t=1t=1 到 t=τt=τt=\tau 应用如下更新方程:

a(t)=b+Wh(t−1)+Ux(t)a(t)=b+Wh(t−1)+Ux(t)a^{(t)} = b + Wh^{(t-1)} + Ux^{(t)}

h(t)=tanh(a(t))h(t)=tanh(a(t))h^{(t)} = tanh(a^{(t)})

o(t)=c+Vh(t)o(t...]]></description><category></category></item><item><title><![CDATA[vscode配置LaTeX]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/79868867</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/79868867</guid><author>CZWin32768</author><pubDate>Mon, 09 Apr 2018 16:44:04 +0800</pubDate><description><![CDATA[vscode配置LaTeX步骤
安装 LaTeX Workshop
安装MiKTex
A small example\documentclass{article}
\begin{document}
This is my \emph{first} document prepared in \LaTeX.
\end{document}推荐读Indian T E X. LATEX TUTORIALS—AP]]></description><category></category></item><item><title><![CDATA[PyTorch 使用笔记]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/79868766</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/79868766</guid><author>CZWin32768</author><pubDate>Mon, 09 Apr 2018 16:39:43 +0800</pubDate><description><![CDATA[PyTorch 使用笔记因为最近在使PyTorch，在这记录一下PyTorch使用的技巧.CUDA在使用显卡时候需要用CUDA，model、和输入要CUDA。 
注意：
直接TensorName.cuda()是不行的要 TensorName = TensorName.cuda()]]></description><category></category></item><item><title><![CDATA[Mac 下统计目录及子目录代码行数]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/78562436</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/78562436</guid><author>CZWin32768</author><pubDate>Fri, 17 Nov 2017 15:59:21 +0800</pubDate><description><![CDATA[例如当前目录下所有scala为后缀的 
wc -lfind  ./   -name “*.scala”“]]></description><category></category></item><item><title><![CDATA[快速找到1到N中缺少的一个数字]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/77895014</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/77895014</guid><author>CZWin32768</author><pubDate>Fri, 08 Sep 2017 15:08:04 +0800</pubDate><description><![CDATA[传说浙大有一个面试题是要快速找到1到N中缺少的一个数字，有一个很经典的做法是把N-1个数字加和，减去1到N的和，但是当N非常很大的时候，复杂度为O(Nlog(N^2)/32) = O(Nlog(N)/16)，和会达到2logN的bit位。我偶然想到了一个方法，设f(n) = 1 xor 2 xor … xor n
  f(n)  = 
     n    ,  n % 4 == 0 
     1]]></description><category></category></item><item><title><![CDATA[GNOME下触摸板设置]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/77365082</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/77365082</guid><author>CZWin32768</author><pubDate>Fri, 18 Aug 2017 10:08:32 +0800</pubDate><description><![CDATA[触摸板因为一直不能轻触很难受，查了一下。https://wiki.archlinux.org/index.php/LibinputTouchpad not working in GNOME 
Ensure the touchpad events are being sent to the GNOME desktop by running the following command:
  $ gset]]></description><category></category></item><item><title><![CDATA[PAT (Top Level) 解题报告]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/77185230</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/77185230</guid><author>CZWin32768</author><pubDate>Tue, 15 Aug 2017 11:02:17 +0800</pubDate><description><![CDATA[PAT (Top Level) 解题报告1007. Red-black Tree (35)题目描述给N个非叶子节点，问这N个节点能组成的红黑树的个数。解法dp[i][j][k] 表示i个节点(不算叶子节点)的红黑树子树 黑树高（路径上黑色节点个数且不算叶子节点）为j 根节点颜色为k的个数。dp[i][j][RED]=∑dp[iL][j][BLK]×dp[i−iL−1][j][BLK]dp[i][j]]]></description><category></category></item><item><title><![CDATA[矩形面积并 HDU1542]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/77164787</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/77164787</guid><author>CZWin32768</author><pubDate>Mon, 14 Aug 2017 18:09:49 +0800</pubDate><description><![CDATA[扫描线+线段树维护（每个节点所在的区间被覆盖的次数，和被覆盖的长度的和）线段树[l,r]表示 ∫d−1(r)−1d−1(l)f(x)dx\int_{d^{-1}(l)}^{d^{-1}(r)-1}f(x)dx ， f(x)=1（当且仅当x位置被覆盖）#include<bits/stdc++.h>
using namespace std;template<class T>  
struct Discr]]></description><category></category></item><item><title><![CDATA[多校赛2017 R2]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/76243208</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/76243208</guid><author>CZWin32768</author><pubDate>Fri, 28 Jul 2017 12:25:11 +0800</pubDate><description><![CDATA[#多校赛2017#HDU6052 #HDU6053]]></description><category></category></item><item><title><![CDATA[多校赛2017 R1]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/76130859</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/76130859</guid><author>CZWin32768</author><pubDate>Wed, 26 Jul 2017 11:02:48 +0800</pubDate><description><![CDATA[#多校赛2017#HDU 6044ProblemAs to a permutation p1,p2,⋯,pn from 1 to n, it is uncomplicated for each 1≤i≤n to calculate (li,ri) meeting the condition that min(pL,pL+1,⋯,pR)=pi if and only if li≤L≤i≤R≤ri fo]]></description><category></category></item><item><title><![CDATA[快速读入 线性求逆元]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/76114711</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/76114711</guid><author>CZWin32768</author><pubDate>Wed, 26 Jul 2017 10:03:16 +0800</pubDate><description><![CDATA[#多校赛2017# 
#模板#]]></description><category></category></item><item><title><![CDATA[Archlinux 安装qemu 及 error while loading shared libraries: libssl.so.1.1问题]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/70990274</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/70990274</guid><author>CZWin32768</author><pubDate>Sat, 29 Apr 2017 20:50:36 +0800</pubDate><description><![CDATA[安装时候一直报错说找不到文件，使用 pacman -Syyu对于error while loading shared libraries: libssl.so.1.1问题，我升级了openssl 然后系统的软件全崩了，吓的我感觉创建量两个软链接，不知道有没有什么隐患，暂时凑合过。]]></description><category></category></item><item><title><![CDATA[Kcptun配置]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/61419903</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/61419903</guid><author>CZWin32768</author><pubDate>Sat, 11 Mar 2017 16:16:11 +0800</pubDate><description><![CDATA[搞了一下午kcptun，在u老板帮助下弄好了。先上图：使用kcptun后速度快了10倍有点可怕。安装脚本https://blog.kuoruan.com/110.html这个地址写的比较详细出现的问题因为要使用IPV6，注意地址要加中括号，不然会出现解析错误的问题：
  [xxxx:xxxx:xxx::]:8848
无论是服务器端还是本地都要加。出现问题可以检查 /var/log/kcptun/ 下]]></description><category></category></item><item><title><![CDATA[Arch Linux系统安装记录]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/55684973</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/55684973</guid><author>CZWin32768</author><pubDate>Sat, 18 Feb 2017 23:50:33 +0800</pubDate><description><![CDATA[详细步骤可见：http://www.cnblogs.com/vachester/p/5635819.html重启后无网络问题运行 dhcpcd]]></description><category></category></item><item><title><![CDATA[CERC2016 gym101173C]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/55211527</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/55211527</guid><author>CZWin32768</author><pubDate>Wed, 15 Feb 2017 16:33:31 +0800</pubDate><description><![CDATA[Problem C: Convex Contour题目链接： http://codeforces.com/gym/101173题意给你若干个三角形、圆型、正方形摆成一排，问周长。题解分上下左右进行计算，注意三角形到圆形的连线是切线。#include<bits/stdc++.h>using namespace std;typedef long long ll;
const int SIZE = 1;c]]></description><category></category></item><item><title><![CDATA[CERC2016 gym101173L]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/55211389</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/55211389</guid><author>CZWin32768</author><pubDate>Wed, 15 Feb 2017 16:26:36 +0800</pubDate><description><![CDATA[Problem L: Lost LogicGustav is reading about 2-satisﬁability, a well known problem of assigning truth values to boolean variables in order to satisfy a list of constraints — simple logical formulas inv]]></description><category></category></item><item><title><![CDATA[codeforces 765E]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/55105591</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/55105591</guid><author>CZWin32768</author><pubDate>Tue, 14 Feb 2017 20:07:03 +0800</pubDate><description><![CDATA[codeforces 765E题目描述anya wants to minimize a tree. He can perform the following operation multiple times: choose a vertex v, and two disjoint (except for v) paths of equal length a0 = v, a1, …, ak, and]]></description><category></category></item><item><title><![CDATA[Hanlp配置与使用]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/54694768</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/54694768</guid><author>CZWin32768</author><pubDate>Mon, 23 Jan 2017 17:14:02 +0800</pubDate><description><![CDATA[Hanlp配置与使用由于要写NLP大作业在知乎上看见了Hanlp这个汉语言处理包。https://github.com/hankcs/HanLP配置说明对我来说写的略微简单，在这里记录一下配置的过程。MVN使用最开始接触MVN是写Spring Boot程序，只能说是勉强会用，但是按照readme上的配置方法配置后，出现了一个坑爹的问题：下载速度超慢。等了半小时发现下载不到1/10（国内你懂的） 百度]]></description><category></category></item><item><title><![CDATA[Spring Boot 处理http请求]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/53366221</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/53366221</guid><author>CZWin32768</author><pubDate>Sun, 27 Nov 2016 19:39:32 +0800</pubDate><description><![CDATA[Spring Boot 处理http请求get请求请求：
  /[value]?[RequestParam]=xxx
代码：package cn.czwfun;import org.springframework.web.bind.annotation.*;/**
 * Created by czwin on 2016/11/27.
 */
@RestController
@RequestMappi]]></description><category></category></item><item><title><![CDATA[搭建Spring Boot环境]]></title><link>https://blog.youkuaiyun.com/CZWin32768/article/details/53139631</link><guid>https://blog.youkuaiyun.com/CZWin32768/article/details/53139631</guid><author>CZWin32768</author><pubDate>Sat, 12 Nov 2016 12:59:24 +0800</pubDate><description><![CDATA[Spring Boot 的第一个程序这是我写过时间最长的hello world 程序。找不到符号 ‘SpringApplication’ 问题这是我见过最奇葩的问题了，不知道为什么，上网搜了无数遍都没有人遇到，对照官网文档看了好多遍也没有问题，简直有病。最后我重新设置了maven就好了，神奇。抛出了奇怪异常经由我大胆猜测，是8080端口被占用。改成这个例子：package cn.czwfun;imp]]></description><category></category></item></channel></rss>