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<!DOCTYPE html>
<html class="theme-next muse use-motion" lang="zh-CN">
<head>
<!-- hexo-inject:begin --><!-- hexo-inject:end --><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="#fff">
<script src="//cdn.bootcss.com/pace/1.0.2/pace.min.js"></script>
<link href="//cdn.bootcss.com/pace/1.0.2/themes/pink/pace-theme-flash.css" rel="stylesheet">
<style>
.pace .pace-progress {
background: #ff009e; /*进度条颜色*/
height: px;
}
.pace .pace-progress-inner {
box-shadow: 0 0 10px #0000FF, 0 0 5px #0000FF; /*阴影颜色*/
}
.pace .pace-activity {
border-top-color: #0000FF; /*上边框颜色*/
border-left-color: #0000FF; /*左边框颜色*/
}
</style>
<script src="/lib/pace/pace.min.js?v=1.0.2"></script>
<link href="/lib/pace/pace-theme-loading-bar.min.css?v=1.0.2" rel="stylesheet">
<meta http-equiv="Cache-Control" content="no-transform" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
<link href="https://fonts.loli.net/css?family=Noto Serif SC:300,300italic,400,400italic,700,700italic|Roboto Slab:300,300italic,400,400italic,700,700italic|Roboto Mono:300,300italic,400,400italic,700,700italic&subset=latin,latin-ext" rel="stylesheet" type="text/css">
<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css" />
<link href="/css/main.css?v=6.4.2" rel="stylesheet" type="text/css" />
<link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon.png?v=6.4.2">
<link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-32x32.png?v=6.4.2">
<link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-16x16.png?v=6.4.2">
<link rel="mask-icon" href="/images/safari_pinned_tab.svg?v=6.4.2" color="#fff">
<meta name="msapplication-config" content="/images/browserconfig.xml" />
<script type="text/javascript" id="hexo.configurations">
var NexT = window.NexT || {};
var CONFIG = {
root: '',
scheme: 'Muse',
version: '6.4.2',
sidebar: {"position":"left","display":"hide","offset":12,"b2t":false,"scrollpercent":true,"onmobile":true},
fancybox: false,
fastclick: false,
lazyload: false,
tabs: true,
motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
algolia: {
applicationID: '',
apiKey: '',
indexName: '',
hits: {"per_page":10},
labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
}
};
</script>
<meta name="description" content="星光即使微弱也会为我照亮前途">
<meta property="og:type" content="website">
<meta property="og:title" content="Helios">
<meta property="og:url" content="https://wheliosc.github.io/index.html">
<meta property="og:site_name" content="Helios">
<meta property="og:description" content="星光即使微弱也会为我照亮前途">
<meta property="og:locale" content="zh_CN">
<meta property="article:author" content="lihui">
<meta property="article:tag" content="李三岁,lihui,software,李辉,helios">
<meta name="twitter:card" content="summary">
<link rel="alternate" href="/atom.xml" title="Helios" type="application/atom+xml" />
<link rel="canonical" href="https://wheliosc.github.io/"/>
<script type="text/javascript" id="page.configurations">
CONFIG.page = {
sidebar: "",
};
</script>
<title>Helios</title>
<noscript>
<style type="text/css">
.use-motion .motion-element,
.use-motion .brand,
.use-motion .menu-item,
.sidebar-inner,
.use-motion .post-block,
.use-motion .pagination,
.use-motion .comments,
.use-motion .post-header,
.use-motion .post-body,
.use-motion .collection-title { opacity: initial; }
.use-motion .logo,
.use-motion .site-title,
.use-motion .site-subtitle {
opacity: initial;
top: initial;
}
.use-motion {
.logo-line-before i { left: initial; }
.logo-line-after i { right: initial; }
}
</style>
</noscript>
<!-- hexo injector head_end start -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/style.css">
<!-- hexo injector head_end end --><meta name="generator" content="Hexo 5.4.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
<body itemscope itemtype="http://schema.org/WebPage" lang="zh-CN">
<!-- hexo-inject:begin --><!-- hexo-inject:end --><div class="container sidebar-position-left
page-home">
<div class="headband"></div>
<header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
<div class="header-inner"><div class="site-brand-wrapper">
<div class="site-meta ">
<div class="custom-logo-site-title">
<a href="/" class="brand" rel="start">
<span class="logo-line-before"><i></i></span>
<span class="site-title">Helios</span>
<span class="logo-line-after"><i></i></span>
</a>
</div>
<p class="site-subtitle">学习干嘛 愣着啊</p>
</div>
<div class="site-nav-toggle">
<button aria-label="切换导航栏">
<span class="btn-bar"></span>
<span class="btn-bar"></span>
<span class="btn-bar"></span>
</button>
</div>
</div>
<nav class="site-nav">
<ul id="menu" class="menu">
<li class="menu-item menu-item-home menu-item-active">
<a href="/" rel="section">
<i class="menu-item-icon fa fa-fw fa-home"></i> <br />首页</a>
</li>
<li class="menu-item menu-item-tags">
<a href="/tags/" rel="section">
<i class="menu-item-icon fa fa-fw fa-tags"></i> <br />标签</a>
</li>
<li class="menu-item menu-item-archives">
<a href="/archives/" rel="section">
<i class="menu-item-icon fa fa-fw fa-archive"></i> <br />归档</a>
</li>
<li class="menu-item menu-item-music">
<a href="/music/" rel="section">
<i class="menu-item-icon fa fa-fw fa-music"></i> <br />music</a>
</li>
<li class="menu-item menu-item-about">
<a href="/about/" rel="section">
<i class="menu-item-icon fa fa-fw fa-paw"></i> <br />关于</a>
</li>
<li class="menu-item menu-item-search">
<a href="javascript:;" class="popup-trigger">
<i class="menu-item-icon fa fa-search fa-fw"></i> <br />搜索</a>
</li>
</ul>
<div class="site-search">
<div class="popup search-popup local-search-popup">
<div class="local-search-header clearfix">
<span class="search-icon">
<i class="fa fa-search"></i>
</span>
<span class="popup-btn-close">
<i class="fa fa-times-circle"></i>
</span>
<div class="local-search-input-wrapper">
<input autocomplete="off"
placeholder="搜索..." spellcheck="false"
type="text" id="local-search-input">
</div>
</div>
<div id="local-search-result"></div>
</div>
</div>
</nav>
</div>
</header>
<main id="main" class="main">
<div class="main-inner">
<div class="content-wrap">
<div id="content" class="content">
<section id="posts" class="posts-expand">
<article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
<div class="post-block">
<link itemprop="mainEntityOfPage" href="https://wheliosc.github.io/parse-matrix.html">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="lihui">
<meta itemprop="description" content="星光即使微弱也会为我照亮前途">
<meta itemprop="image" content="/uploads/avatar.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="Helios">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/parse-matrix.html" itemprop="url">
稀疏矩阵
</a>
</h1>
<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：2021-09-03 17:31:35" itemprop="dateCreated datePublished" datetime="2021-09-03T17:31:35+08:00">2021-09-03</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：2022-04-18 12:05:56" itemprop="dateModified" datetime="2022-04-18T12:05:56+08:00">2022-04-18</time>
</span>
<span class="post-comments-count">
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-comment-o"></i>
</span>
<a href="/parse-matrix.html#comments" itemprop="discussionUrl">
<span class="post-meta-item-text">评论数：</span> <span class="post-comments-count valine-comment-count" data-xid="/parse-matrix.html" itemprop="commentCount"></span>
</a>
</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">1.6k</span>
</div>
<div class="post-description">三种稀疏矩阵，包括COO、CSC和CSR</div>
</div>
</header>
<div class="post-body" itemprop="articleBody">
<p></p>
<!--noindex-->
<div class="post-button text-center">
<a class="btn" href="/parse-matrix.html" rel="contents">
阅读全文 »
</a>
</div>
<!--/noindex-->
</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://wheliosc.github.io/ml-dm.html">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="lihui">
<meta itemprop="description" content="星光即使微弱也会为我照亮前途">
<meta itemprop="image" content="/uploads/avatar.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="Helios">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/ml-dm.html" itemprop="url">
机器学习与数据挖掘
</a>
</h1>
<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：2020-12-19 21:03:16" itemprop="dateCreated datePublished" datetime="2020-12-19T21:03:16+08:00">2020-12-19</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：2022-04-18 12:09:33" itemprop="dateModified" datetime="2022-04-18T12:09:33+08:00">2022-04-18</time>
</span>
<span class="post-comments-count">
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-comment-o"></i>
</span>
<a href="/ml-dm.html#comments" itemprop="discussionUrl">
<span class="post-meta-item-text">评论数：</span> <span class="post-comments-count valine-comment-count" data-xid="/ml-dm.html" itemprop="commentCount"></span>
</a>
</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">34k</span>
</div>
<div class="post-description">机器学习与数据挖掘复习</div>
</div>
</header>
<div class="post-body" itemprop="articleBody">
<p></p>
<!--noindex-->
<div class="post-button text-center">
<a class="btn" href="/ml-dm.html" rel="contents">
阅读全文 »
</a>
</div>
<!--/noindex-->
</div>
<div>
</div>
<footer class="post-footer">
<div class="post-eof"></div>
</footer>
</div>
</article>
</section>
</div>
</div>
<div class="sidebar-toggle">
<div class="sidebar-toggle-line-wrap">
<span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
<span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
<span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
</div>
</div>
<aside id="sidebar" class="sidebar">
<div id="sidebar-dimmer"></div>
<div class="sidebar-inner">
<section class="site-overview-wrap sidebar-panel sidebar-panel-active">
<div class="site-overview">
<div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
<img class="site-author-image" itemprop="image"
src="/uploads/avatar.png"
alt="lihui" />
<p class="site-author-name" itemprop="name">lihui</p>
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