<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[log1119的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/log1119</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; log1119]]></copyright><item><title><![CDATA[2023高教社杯 国赛数学建模C题思路 - 蔬菜类商品的自动定价与补货决策]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/132762789</link><guid>https://blog.youkuaiyun.com/log1119/article/details/132762789</guid><author>log1119</author><pubDate>Fri, 08 Sep 2023 16:18:04 +0800</pubDate><description><![CDATA[我们可以在第二问的基础上进行，第二我们问已经建立了价格和销量的二元线性关系，又因为成本加成定价法模型， 价格=单位成本+单位成本×成本利润率=单位成本（l + 成本利润率），带入到第二问构建的二元关系中，根据附件的数据用最优解算法求出参数。问题 2 考虑商超以品类为单位做补货计划，请分析各蔬菜品类的销售总量与成本加成 定价的关系，并给出各蔬菜品类未来一周(2023 年 7 月 1-7 日)的日补货总量和定价策略， 使得商超收益最大。注 (1) 附件 1 中， 部分单品名称包含的数字编号表示不同的供应来源。]]></description><category></category></item><item><title><![CDATA[大数据学习笔记]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/130933345</link><guid>https://blog.youkuaiyun.com/log1119/article/details/130933345</guid><author>log1119</author><pubDate>Mon, 29 May 2023 17:45:09 +0800</pubDate><description><![CDATA[我总结了一系列大数据开发的笔记，包括基础知识、基本使用、以及调优，涵盖理论和实操，喜欢的朋友们可以点一个star，谢谢大家，https://github.com/Log0519/BigDataNotes]]></description><category></category></item><item><title><![CDATA[Spark知识点汇总]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126590271</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126590271</guid><author>log1119</author><pubDate>Mon, 29 Aug 2022 18:48:24 +0800</pubDate><description><![CDATA[本文介绍了Spark中的一些知识点，持续更新。]]></description><category></category></item><item><title><![CDATA[SparkSQL内容讲解]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126526570</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126526570</guid><author>log1119</author><pubDate>Thu, 25 Aug 2022 16:01:43 +0800</pubDate><description><![CDATA[该文主要讲解了SparkSQL的内容，包含SQL和DataFrame和DataSet三种数据结构，讲解了他们相互的转换方式和他们之间关系。]]></description><category></category></item><item><title><![CDATA[Spark的五种提交作业方式]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126526451</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126526451</guid><author>log1119</author><pubDate>Thu, 25 Aug 2022 15:50:10 +0800</pubDate><description><![CDATA[该文介绍了Spark的五种作业提交方式]]></description><category></category></item><item><title><![CDATA[Kafka基本命令、操作]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126526357</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126526357</guid><author>log1119</author><pubDate>Thu, 25 Aug 2022 15:45:41 +0800</pubDate><description><![CDATA[该文记录了kafka的基本操作]]></description><category></category></item><item><title><![CDATA[Spark源码解读由浅入深 宽窄依赖篇]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126402583</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126402583</guid><author>log1119</author><pubDate>Thu, 18 Aug 2022 11:51:09 +0800</pubDate><description><![CDATA[本文基于Spark源码解读，从概述开始，由浅入深分析了宽窄依赖的实质，有利于加深读者对宽窄依赖的理解。]]></description><category></category></item><item><title><![CDATA[Java源码阅读之Array.sort()]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126402397</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126402397</guid><author>log1119</author><pubDate>Thu, 18 Aug 2022 11:31:32 +0800</pubDate><description><![CDATA[该文根据源码讲解了Array.sort的基本实现原理，有助于加深对Java排序算法的理解]]></description><category></category></item><item><title><![CDATA[Docker学习笔记]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126364860</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126364860</guid><author>log1119</author><pubDate>Tue, 16 Aug 2022 14:00:20 +0800</pubDate><description><![CDATA[本文介绍了Docker使用中需要经常用到知识]]></description><category></category></item><item><title><![CDATA[最新Hadoop环境搭建流程]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126313628</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126313628</guid><author>log1119</author><pubDate>Sat, 13 Aug 2022 11:30:00 +0800</pubDate><description><![CDATA[本文介绍了Hadoop环境搭建的基本流程，供学习参考和自检使用]]></description><category></category></item><item><title><![CDATA[最新Scala学习笔记]]></title><link>https://blog.youkuaiyun.com/log1119/article/details/126313417</link><guid>https://blog.youkuaiyun.com/log1119/article/details/126313417</guid><author>log1119</author><pubDate>Sat, 13 Aug 2022 11:15:00 +0800</pubDate><description><![CDATA[本文介绍了scala的一些知识点和常用集合类型，以及常用的函数使用。]]></description><category></category></item></channel></rss>