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<!DOCTYPE html><html class="theme-next gemini use-motion" lang="zh-CN"><head><meta name="generator" content="Hexo 3.9.0"><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=2"><meta name="theme-color" content="#222"><link rel="stylesheet" href="//cdn.jsdelivr.net/gh/theme-next/theme-next-needmoreshare2@1/needsharebutton.min.css"><script src="//cdn.jsdelivr.net/npm/pace-js@1/pace.min.js"></script><link rel="stylesheet" href="//cdn.jsdelivr.net/npm/pace-js@1/themes/blue/pace-theme-minimal.css"><meta name="baidu-site-verification" content="JEZA791Qpr"><link rel="stylesheet" href="//cdn.jsdelivr.net/gh/fancyapps/fancybox@3/dist/jquery.fancybox.min.css"><link rel="stylesheet" href="//fonts.googleapis.com/css?family=Lato:300,300italic,400,400italic,700,700italic&subset=latin,latin-ext"><link rel="stylesheet" href="//cdn.jsdelivr.net/npm/font-awesome@4/css/font-awesome.min.css"><link 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itemprop="name" content="ZejinWang"><meta itemprop="description" content="专注于自身感兴趣的事"><meta itemprop="image" content="/images/avatar.gif"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="Wang's Blog"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a href="/2019/09/12/Ubuntu-Server-Deploy/" class="post-title-link" itemprop="url">Ubuntu Server 18.04 部署</a></h2><div class="post-meta"><i class="fa fa-thumb-tack"></i> <font color="7D26CD">置顶</font> <span class="post-meta-divider">|</span> <span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间：2019-09-12 14:15:07 / 修改时间：17:37:34" itemprop="dateCreated datePublished" datetime="2019-09-12T14:15:07+08:00">2019-09-12</time></span><div class="post-symbolscount"><span class="post-meta-item-icon"><i class="fa fa-file-word-o"></i> 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content="/images/avatar.gif"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="Wang's Blog"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a href="/2019/06/22/Hexo-搭站体验/" class="post-title-link" itemprop="url">一个有关Wang's Blog诞生的故事</a></h2><div class="post-meta"><i class="fa fa-thumb-tack"></i> <font color="7D26CD">置顶</font> <span class="post-meta-divider">|</span> <span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间：2019-06-22 10:35:22" itemprop="dateCreated datePublished" datetime="2019-06-22T10:35:22+08:00">2019-06-22</time> <span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-calendar-check-o"></i> </span><span class="post-meta-item-text">更新于</span> <time title="修改时间：2019-07-06 10:14:47" itemprop="dateModified" datetime="2019-07-06T10:14:47+08:00">2019-07-06</time></span><div class="post-symbolscount"><span class="post-meta-item-icon"><i class="fa fa-file-word-o"></i> </span><span class="post-meta-item-text">本文字数：</span> <span title="本文字数">2.1k</span> <span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-clock-o"></i> </span><span class="post-meta-item-text">阅读时长 ≈</span> <span title="阅读时长">4 分钟</span></div></div></header><div class="post-body" itemprop="articleBody"><div class="out-img-topic"><img src="\images\avatar.gif" class="img-topic"></div>这是一篇交代本博客诞生缘由的文章<div class="post-button text-center"><a class="btn" href="/2019/06/22/Hexo-搭站体验/">阅读全文 »</a></div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></div></article><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><div class="post-block"><link itemprop="mainEntityOfPage" href="https://zejinwang.com/2019/07/08/LaTex常用命令/"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="ZejinWang"><meta itemprop="description" content="专注于自身感兴趣的事"><meta itemprop="image" content="/images/avatar.gif"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="Wang's Blog"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a href="/2019/07/08/LaTex常用命令/" class="post-title-link" itemprop="url">LaTex常用命令</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间：2019-07-08 22:37:23" itemprop="dateCreated datePublished" datetime="2019-07-08T22:37:23+08:00">2019-07-08</time> <span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-calendar-check-o"></i> </span><span class="post-meta-item-text">更新于</span> <time title="修改时间：2019-07-09 13:37:02" itemprop="dateModified" datetime="2019-07-09T13:37:02+08:00">2019-07-09</time> </span><span class="post-category"><span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-folder-o"></i> </span><span class="post-meta-item-text">分类于</span> <span itemprop="about" itemscope itemtype="http://schema.org/Thing"><a href="/categories/LaTex/" itemprop="url" rel="index"><span itemprop="name">LaTex</span></a></span></span><div class="post-symbolscount"><span class="post-meta-item-icon"><i class="fa fa-file-word-o"></i> </span><span class="post-meta-item-text">本文字数：</span> <span title="本文字数">3.4k</span> <span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-clock-o"></i> </span><span class="post-meta-item-text">阅读时长 ≈</span> <span title="阅读时长">6 分钟</span></div></div></header><div class="post-body" itemprop="articleBody">本文记录LaTex写作的常用命令<div class="post-button text-center"><a class="btn" href="/2019/07/08/LaTex常用命令/">阅读全文 »</a></div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></div></article><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><div class="post-block"><link itemprop="mainEntityOfPage" href="https://zejinwang.com/2019/07/07/理解KL散度-相对熵/"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="ZejinWang"><meta itemprop="description" content="专注于自身感兴趣的事"><meta itemprop="image" content="/images/avatar.gif"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="Wang's Blog"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a href="/2019/07/07/理解KL散度-相对熵/" class="post-title-link" itemprop="url">理解KL散度(相对熵)</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间：2019-07-07 16:14:38 / 修改时间：21:32:50" itemprop="dateCreated datePublished" datetime="2019-07-07T16:14:38+08:00">2019-07-07</time> </span><span class="post-category"><span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-folder-o"></i> </span><span class="post-meta-item-text">分类于</span> <span itemprop="about" itemscope itemtype="http://schema.org/Thing"><a href="/categories/信息论/" itemprop="url" rel="index"><span itemprop="name">信息论</span></a></span></span><div class="post-symbolscount"><span class="post-meta-item-icon"><i class="fa fa-file-word-o"></i> </span><span class="post-meta-item-text">本文字数：</span> <span title="本文字数">816</span> <span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-clock-o"></i> </span><span class="post-meta-item-text">阅读时长 ≈</span> <span title="阅读时长">1 分钟</span></div></div></header><div class="post-body" itemprop="articleBody">本文对KL散度这方面内容进行介绍<div class="post-button text-center"><a class="btn" href="/2019/07/07/理解KL散度-相对熵/">阅读全文 »</a></div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></div></article><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><div class="post-block"><link itemprop="mainEntityOfPage" href="https://zejinwang.com/2019/07/06/PCA的理解/"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="ZejinWang"><meta itemprop="description" content="专注于自身感兴趣的事"><meta itemprop="image" content="/images/avatar.gif"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="Wang's Blog"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a href="/2019/07/06/PCA的理解/" class="post-title-link" itemprop="url">PCA的理解</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间：2019-07-06 17:41:56" itemprop="dateCreated datePublished" datetime="2019-07-06T17:41:56+08:00">2019-07-06</time> <span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-calendar-check-o"></i> </span><span class="post-meta-item-text">更新于</span> <time title="修改时间：2019-07-07 11:00:22" itemprop="dateModified" datetime="2019-07-07T11:00:22+08:00">2019-07-07</time> </span><span class="post-category"><span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-folder-o"></i> </span><span class="post-meta-item-text">分类于</span> <span itemprop="about" itemscope itemtype="http://schema.org/Thing"><a href="/categories/ML/" itemprop="url" rel="index"><span itemprop="name">ML</span></a></span></span><div class="post-symbolscount"><span class="post-meta-item-icon"><i class="fa 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content="/images/avatar.gif"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="Wang's Blog"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a href="/2019/07/06/自编码器-AE-和变分编码器-VAE/" class="post-title-link" itemprop="url">自编码器(AE)和变分编码器(VAE)</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间：2019-07-06 17:41:32" itemprop="dateCreated datePublished" datetime="2019-07-06T17:41:32+08:00">2019-07-06</time> <span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-calendar-check-o"></i> </span><span class="post-meta-item-text">更新于</span> <time title="修改时间：2019-07-08 22:22:24" itemprop="dateModified" datetime="2019-07-08T22:22:24+08:00">2019-07-08</time> </span><span class="post-category"><span 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break;
}
}
}
searchTextCount += searchTextCountInSlice;
return {
hits: hits,
start: start,
end: end,
searchTextCount: searchTextCountInSlice
};
}
var slicesOfTitle = [];
if (indexOfTitle.length != 0) {
slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
}
var slicesOfContent = [];
while (indexOfContent.length != 0) {
var item = indexOfContent[indexOfContent.length - 1];
var position = item.position;
var word = item.word;
// cut out 100 characters
var start = position - 20;
var end = position + 80;
if(start < 0){
start = 0;
}
if (end < position + word.length) {
end = position + word.length;
}
if(end > content.length){
end = content.length;
}
slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
}
// sort slices in content by search text's count and hits' count
slicesOfContent.sort(function (sliceLeft, sliceRight) {
if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
return sliceRight.searchTextCount - sliceLeft.searchTextCount;
} else if (sliceLeft.hits.length !== sliceRight.hits.length) {
return sliceRight.hits.length - sliceLeft.hits.length;
} else {
return sliceLeft.start - sliceRight.start;
}
});
// select top N slices in content
var upperBound = parseInt('10');
if (upperBound >= 0) {
slicesOfContent = slicesOfContent.slice(0, upperBound);
}
// highlight title and content
function highlightKeyword(text, slice) {
var result = '';
var prevEnd = slice.start;
slice.hits.forEach(function (hit) {
result += text.substring(prevEnd, hit.position);
var end = hit.position + hit.length;
result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
prevEnd = end;
});
result += text.substring(prevEnd, slice.end);
return result;
}
var resultItem = '';
if (slicesOfTitle.length != 0) {
resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
} else {
resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
}
slicesOfContent.forEach(function (slice) {
resultItem += "<a href='" + articleUrl + "'>" +
"<p class=\"search-result\">" + highlightKeyword(content, slice) +
"...</p>" + "</a>";
});
resultItem += "</li>";
resultItems.push({
item: resultItem,
searchTextCount: searchTextCount,
hitCount: hitCount,
id: resultItems.length
});
}
})
};
if (keywords.length === 1 && keywords[0] === "") {
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x"></i></div>'
} else if (resultItems.length === 0) {
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x"></i></div>'
} else {
resultItems.sort(function (resultLeft, resultRight) {
if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
return resultRight.searchTextCount - resultLeft.searchTextCount;
} else if (resultLeft.hitCount !== resultRight.hitCount) {
return resultRight.hitCount - resultLeft.hitCount;
} else {
return resultRight.id - resultLeft.id;
}
});
var searchResultList = '<ul class=\"search-result-list\">';
resultItems.forEach(function (result) {
searchResultList += result.item;
})
searchResultList += "</ul>";
resultContent.innerHTML = searchResultList;
}
}
if ('auto' === 'auto') {
input.addEventListener('input', inputEventFunction);
} else {
$('.search-icon').click(inputEventFunction);
input.addEventListener('keypress', function (event) {
if (event.keyCode === 13) {
inputEventFunction();
}
});
}
// remove loading animation
$(".local-search-pop-overlay").remove();
$('body').css('overflow', '');
proceedsearch();
}
});
}
// handle and trigger popup window;
$('.popup-trigger').click(function(e) {
e.stopPropagation();
if (isfetched === false) {
searchFunc(path, 'local-search-input', 'local-search-result');
} else {
proceedsearch();
};
});
$('.popup-btn-close').click(onPopupClose);
$('.popup').click(function(e){
e.stopPropagation();
});
$(document).on('keyup', function (event) {
var shouldDismissSearchPopup = event.which === 27 &&
$('.search-popup').is(':visible');
if (shouldDismissSearchPopup) {
onPopupClose();
}
});</script><script type="text/x-mathjax-config">MathJax.Hub.Config({
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inlineMath: [ ['$', '$'], ['\\(', '\\)'] ],
processEscapes: true,
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},
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equationNumbers: {
autoNumber: 'AMS'
}
}
});
MathJax.Hub.Register.StartupHook('TeX Jax Ready', function() {
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if (data.display) {
var next = data.script.nextSibling;
while (next && next.nodeName.toLowerCase() === '#text') { next = next.nextSibling }
if (next && next.nodeName.toLowerCase() === 'br') { next.parentNode.removeChild(next) }
}
});
});</script><script type="text/x-mathjax-config">MathJax.Hub.Queue(function() {
var all = MathJax.Hub.getAllJax(), i;
for (i = 0; i < all.length; i += 1) {
document.getElementById(all[i].inputID + '-Frame').parentNode.className += ' has-jax';
}
});</script><script src="//cdn.bootcss.com/mathjax/2.7.1/latest.js?config=TeX-AMS-MML_HTMLorMML"></script><script>!function(){var t=document.createElement("script"),e=window.location.protocol.split(":")[0];t.src="https"===e?"https://zz.bdstatic.com/linksubmit/push.js":"http://push.zhanzhang.baidu.com/push.js";var s=document.getElementsByTagName("script")[0];s.parentNode.insertBefore(t,s)}()</script><script src="//cdn.jsdelivr.net/gh/theme-next/theme-next-needmoreshare2@1/needsharebutton.min.js"></script><script>flOptions={iconStyle:"default",boxForm:"vertical",position:"topRight",networks:"Weibo,Wechat,Douban,QQZone,Twitter,Facebook"},new needShareButton("#needsharebutton-float",flOptions)</script><script src="https://cdn.jsdelivr.net/gh/theme-next/theme-next-bookmark@latest/bookmark.min.js"></script><script>bookmark.loadBookmark()</script><script>$('.highlight').not('.gist .highlight').each(function(i, e) {
var $wrap = $('<div>').addClass('highlight-wrap');
$(e).after($wrap);
$wrap.append($('<button>').addClass('copy-btn').append('复制').on('click', function(e) {
var code = $(this).parent().find('.code').find('.line').map(function(i, e) {
return $(e).text();
}).toArray().join('\n');
var ta = document.createElement('textarea');
var yPosition = window.pageYOffset || document.documentElement.scrollTop;
ta.style.top = yPosition + 'px'; // Prevent page scroll
ta.style.position = 'absolute';
ta.style.opacity = '0';
ta.readOnly = true;
ta.value = code;
document.body.appendChild(ta);
const selection = document.getSelection();
const selected = selection.rangeCount > 0 ? selection.getRangeAt(0) : false;
ta.select();
ta.setSelectionRange(0, code.length);
ta.readOnly = false;
var result = document.execCommand('copy');
if (result) $(this).text('复制成功');
else $(this).text('复制失败');
ta.blur(); // For iOS
$(this).blur();
if (selected) {
selection.removeAllRanges();
selection.addRange(selected);
}
})).on('mouseleave', function(e) {
var $b = $(this).find('.copy-btn');
setTimeout(function() {
$b.text('复制');
}, 300);
}).append(e);
})</script><script async src="/js/cursor/fireworks.js"></script><script>var titleTime,OriginTitile=document.title;document.addEventListener("visibilitychange",function(){document.hidden?(document.title="(つェ⊂)我藏好了哦~"+OriginTitile,clearTimeout(titleTime)):(document.title="(*´∇｀*) 被你发现啦~"+OriginTitile,titleTime=setTimeout(function(){document.title=OriginTitile},2e3))})</script></body></html>