<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[陌雨’的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Infinity_07</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Infinity_07]]></copyright><item><title><![CDATA[第一类第二类曲线曲面积分对比]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/159503026</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/159503026</guid><author>Infinity_07</author><pubDate>Thu, 26 Mar 2026 12:10:30 +0800</pubDate><description><![CDATA[​dt 是弧长微元。
物理意义： 非均匀细棒的质量。若 fff 为线密度，则积分为总质量。

第二类曲线积分（对坐标）

数学形式：
∫LF⋅dr=∫LP dx+Q dy+R dz\int_L \mathbf{F} \cdot d\mathbf{r} = \int_L P \, dx + Q \, dy + R \, dz∫L​F⋅dr=∫L​Pdx+Qdy+Rdz
其中 F=(P,Q,R)\mathbf{F} = (P, Q, R)F=(P,Q,R) 为向量场，drd\mathbf{r}dr 是切向量微元]]></description><category></category></item><item><title><![CDATA[分部积分的高阶版本]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/159318742</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/159318742</guid><author>Infinity_07</author><pubDate>Sat, 21 Mar 2026 15:20:14 +0800</pubDate><description><![CDATA[2026年3月21日15:20:05。对(4)做简单移项就可以得到(2)在微积分中，如果有一个标量函数。对(4)式的左端应用格林公式得到。]]></description><category></category></item><item><title><![CDATA[一种界面锐化技术 Thinc 方法 -- CFD 文献阅读整理（8）]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/154585667</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/154585667</guid><author>Infinity_07</author><pubDate>Sun, 09 Nov 2025 01:03:40 +0800</pubDate><description><![CDATA[THINC 方法（，双曲正切界面捕捉法）是一种，属于。其核心思想是利用来重构体积分数在单元内的连续分布，从而实现界面的平滑表示与可控耗散。有限体积，间断有限元，单相流，多相流，都可以用到 THINC 方法。它的主要作用是让间断算的更加 sharp.这里的αx就是 THINC 函数，可以使用如下的定义αi​x2αmax​​1γtanhβxi1/2​−xi−1/2​x−xi−1/2​​−xi​αmin​式中：xi​。]]></description><category></category></item><item><title><![CDATA[使用有限体积法求解双曲型守恒性方程（一）FV 框架]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/153752982</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/153752982</guid><author>Infinity_07</author><pubDate>Wed, 22 Oct 2025 23:09:46 +0800</pubDate><description><![CDATA[一个非常著名的格式叫做 WENOJS 格式，我们留在下一个章节介绍。被称为单调通量(monotone flux)。阶的 FV 格式，其实就是构造一个近似。有限体积（FV）格式需要解。则方程（2）被近似为。]]></description><category></category></item><item><title><![CDATA[数值分析（第五版）清华大学出版社 第一章课后习题答案]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/149249674</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/149249674</guid><author>Infinity_07</author><pubDate>Thu, 10 Jul 2025 14:39:09 +0800</pubDate><description><![CDATA[最近在准备博士生入学考试，重新刷一遍数值分析]]></description><category></category></item><item><title><![CDATA[无法删除文件夹 提示找不到该项目 | 文件夹以“.“结尾，无法访问]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/145737634</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/145737634</guid><author>Infinity_07</author><pubDate>Wed, 19 Feb 2025 20:10:17 +0800</pubDate><description><![CDATA[使用c++编写代码删除即可]]></description><category></category></item><item><title><![CDATA[TecPlot 一个绘制二维图像的 .plt 文件格式的例子]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/139049985</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/139049985</guid><author>Infinity_07</author><pubDate>Sun, 19 May 2024 22:36:58 +0800</pubDate><description><![CDATA[2024年5月19日22:36:50。]]></description><category></category></item><item><title><![CDATA[\boldsymbol无法使用]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/138616846</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/138616846</guid><author>Infinity_07</author><pubDate>Thu, 09 May 2024 15:36:01 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并将回归函数放置到图像上]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/136074712</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/136074712</guid><author>Infinity_07</author><pubDate>Wed, 07 Feb 2024 22:33:32 +0800</pubDate><description><![CDATA[2024年2月7日22:33:05。]]></description><category></category></item><item><title><![CDATA[MATLAB 无法求出左特征值的一个解决方案]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/129277007</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/129277007</guid><author>Infinity_07</author><pubDate>Wed, 01 Mar 2023 11:03:21 +0800</pubDate><description><![CDATA[一个解决方案罢了]]></description><category></category></item><item><title><![CDATA[巴塞尔问题数值逼近方法]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/129268052</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/129268052</guid><author>Infinity_07</author><pubDate>Tue, 28 Feb 2023 19:36:40 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导出解（附一个抛物线方程实例）]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/127165535</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/127165535</guid><author>Infinity_07</author><pubDate>Tue, 04 Oct 2022 20:33:02 +0800</pubDate><description><![CDATA[直接导出的是节点函数值，为了求出任意点函数值，需要插值]]></description><category></category></item><item><title><![CDATA[You did not enter enough variable names.Please try again。| matlab pdemodeler导出解报错解决方案]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/127165684</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/127165684</guid><author>Infinity_07</author><pubDate>Tue, 04 Oct 2022 20:12:17 +0800</pubDate><description><![CDATA[matlab工具包使用]]></description><category></category></item><item><title><![CDATA[A^2=E | 方程的解 | 这个方程究竟能告诉我们什么]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/125414936</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/125414936</guid><author>Infinity_07</author><pubDate>Wed, 22 Jun 2022 19:26:33 +0800</pubDate><description><![CDATA[会下金蛋的鸡]]></description><category></category></item><item><title><![CDATA[MATLAB 符号化简 | 绝对值的平方解决方法 | 1-cos(x)^2的解决方法 | 符号计算，符号]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/125048225</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/125048225</guid><author>Infinity_07</author><pubDate>Mon, 30 May 2022 21:01:56 +0800</pubDate><description><![CDATA[做个整理]]></description><category></category></item><item><title><![CDATA[时域卷积定理的证明 | 卷积的傅里叶变化等于傅里叶变换的乘积]]></title><link>https://blog.youkuaiyun.com/Infinity_07/article/details/124613709</link><guid>https://blog.youkuaiyun.com/Infinity_07/article/details/124613709</guid><author>Infinity_07</author><pubDate>Fri, 06 May 2022 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