<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[howell55的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/howell55</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; howell55]]></copyright><item><title><![CDATA[生物医学统计第三次作业]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/139249026</link><guid>https://blog.youkuaiyun.com/howell55/article/details/139249026</guid><author>howell55</author><pubDate>Mon, 27 May 2024 21:59:27 +0800</pubDate><description><![CDATA[不知道的话，右键文件点开属性，复制在？记得把"\"改成"/"第六题我跑不出来，那个库下不下来，希望有大神指点。第一行的路径用自己文件保存位置的路径。]]></description><category></category></item><item><title><![CDATA[生物医学统计第一次作业代码]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/137278469</link><guid>https://blog.youkuaiyun.com/howell55/article/details/137278469</guid><author>howell55</author><pubDate>Tue, 02 Apr 2024 17:41:19 +0800</pubDate><description><![CDATA[b. 计算三个物种的花萼宽度的标准差和方差，判断哪个物种花萼宽度离散程度最高，哪个物种花萼宽度离散程度最低。a. 计算三个物种的花萼长度的四分位差，判断哪个物种花萼长度离散程度最高，哪个物种花萼长度离散程度最低。c. 计算三个物种的花瓣长度的偏度，判断哪些物种花瓣长度是右偏分布，哪些物种花瓣长度是左偏分布。d. 计算三个物种的花瓣宽度的峰度，判断哪个物种花瓣宽度峰度最大，哪个物种花瓣宽度峰度最小。绘制花萼长度、花萼宽度、花瓣长度、花瓣宽度的箱线图。]]></description><category></category></item><item><title><![CDATA[MySQL实验七 数据完整性]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/131341309</link><guid>https://blog.youkuaiyun.com/howell55/article/details/131341309</guid><author>howell55</author><pubDate>Thu, 22 Jun 2023 15:26:05 +0800</pubDate><description><![CDATA[数据库作业]]></description><category></category></item><item><title><![CDATA[MySQL实验三 数据查询二]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/131335791</link><guid>https://blog.youkuaiyun.com/howell55/article/details/131335791</guid><author>howell55</author><pubDate>Thu, 22 Jun 2023 00:22:45 +0800</pubDate><description><![CDATA[数据库作业]]></description><category></category></item><item><title><![CDATA[MySQL实验三 数据查询一]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/131335046</link><guid>https://blog.youkuaiyun.com/howell55/article/details/131335046</guid><author>howell55</author><pubDate>Wed, 21 Jun 2023 23:14:19 +0800</pubDate><description><![CDATA[数据库作业]]></description><category></category></item><item><title><![CDATA[Python期末复习]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130999456</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130999456</guid><author>howell55</author><pubDate>Fri, 02 Jun 2023 09:27:40 +0800</pubDate><description><![CDATA[np.random.randint(low, high=None, size=None, dtype='l')：生成一个整数或N维整数数组，取数范围：若high不为None时，取[low,high)之间随机整数，否则取值[0,low)之间随机整数。df = pd.read_table('example.txt',encoding = 'gbk',sep = ',',nrows= 5)#nrow为读取行数。print('root=','%.4f'%i,'\n','迭代次数:',n,sep='')]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论5.26（梯度下降法）]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130932802</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130932802</guid><author>howell55</author><pubDate>Mon, 29 May 2023 17:37:54 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论5.26（方程求根）]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130918137</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130918137</guid><author>howell55</author><pubDate>Mon, 29 May 2023 16:36:53 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论5.25]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130917029</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130917029</guid><author>howell55</author><pubDate>Sun, 28 May 2023 20:55:42 +0800</pubDate><description><![CDATA[hnu计算与人工智能概论作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论5.19]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130836672</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130836672</guid><author>howell55</author><pubDate>Tue, 23 May 2023 22:23:34 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论第n次作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论5.6]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130690583</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130690583</guid><author>howell55</author><pubDate>Mon, 15 May 2023 19:34:22 +0800</pubDate><description><![CDATA[hnu计算与人工智能概论答案]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论答案4.19]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130278350</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130278350</guid><author>howell55</author><pubDate>Fri, 21 Apr 2023 00:19:10 +0800</pubDate><description><![CDATA[hnu计算与人工智能概论第七次作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论答案4.12]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/130119424</link><guid>https://blog.youkuaiyun.com/howell55/article/details/130119424</guid><author>howell55</author><pubDate>Wed, 12 Apr 2023 23:48:06 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论第六次作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论答案3.29]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/129866994</link><guid>https://blog.youkuaiyun.com/howell55/article/details/129866994</guid><author>howell55</author><pubDate>Thu, 30 Mar 2023 22:48:54 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论第五次作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论答案3.15]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/129572566</link><guid>https://blog.youkuaiyun.com/howell55/article/details/129572566</guid><author>howell55</author><pubDate>Thu, 16 Mar 2023 00:02:11 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论第四次作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论答案2.20]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/129499478</link><guid>https://blog.youkuaiyun.com/howell55/article/details/129499478</guid><author>howell55</author><pubDate>Mon, 13 Mar 2023 17:44:05 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论第一次作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论答案3.8]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/129413797</link><guid>https://blog.youkuaiyun.com/howell55/article/details/129413797</guid><author>howell55</author><pubDate>Wed, 08 Mar 2023 23:40:07 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论第三次作业]]></description><category></category></item><item><title><![CDATA[hnu计算机与人工智能概论答案3.1]]></title><link>https://blog.youkuaiyun.com/howell55/article/details/129366033</link><guid>https://blog.youkuaiyun.com/howell55/article/details/129366033</guid><author>howell55</author><pubDate>Mon, 06 Mar 2023 17:42:23 +0800</pubDate><description><![CDATA[hnu计算机与人工智能概论2023第二次作业]]></description><category></category></item></channel></rss>