<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[jack_BOB_LUO的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/jack_BOB_LUO</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; jack_BOB_LUO]]></copyright><item><title><![CDATA[matlab求两个具有共根的多项式的所有共根(未详细验证)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/156165679</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/156165679</guid><author>jack_BOB_LUO</author><pubDate>Mon, 22 Dec 2025 21:11:46 +0800</pubDate><description><![CDATA[本文展示了使用MATLAB符号计算工具求解多项式公共根的方法。通过定义符号变量x和两个多项式f(x)、g(x)，利用gcd函数计算它们的最大公因式，进而求得公共根。结果显示，f(x)和g(x)的公共根为2、-3和虚数单位j。这种方法通过辗转相除法有效解决了多项式公共根的求解问题。]]></description><category></category></item><item><title><![CDATA[非厄米矩阵高精度计算预先判定需要的计算精度(matlab)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/155908776</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/155908776</guid><author>jack_BOB_LUO</author><pubDate>Sun, 14 Dec 2025 11:30:47 +0800</pubDate><description><![CDATA[用的判定方法来自：Numerical instability of non-Hermitian Hamiltonian evolutions (arxiv)绘制的OBC哈密顿量是文章DOI: 10.1103/PhysRevLett.125.226402的补充材料公式(7)]]></description><category></category></item><item><title><![CDATA[一个可以算相对介电常数和相对磁导率对角各向异性的FDFD（频域有限差分算法） matlab代码]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/148799464</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/148799464</guid><author>jack_BOB_LUO</author><pubDate>Fri, 20 Jun 2025 21:26:40 +0800</pubDate><description><![CDATA[【代码】一个可以算相对介电常数和相对磁导率对角各向异性的FDFD（频域有限差分算法） matlab代码。]]></description><category></category></item><item><title><![CDATA[算高对称点处宇称]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144094715</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144094715</guid><author>jack_BOB_LUO</author><pubDate>Tue, 17 Jun 2025 16:31:33 +0800</pubDate><description><![CDATA[模型ref:DOI: 10.1103/PhysRevA.106.013510。]]></description><category></category></item><item><title><![CDATA[牛顿迭代法和牛顿-雅可比迭代法求解非线性方程或方程组(各一个简单例子)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/148193633</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/148193633</guid><author>jack_BOB_LUO</author><pubDate>Sat, 24 May 2025 17:35:11 +0800</pubDate><description><![CDATA[【代码】牛顿迭代法和牛顿-雅可比迭代法求解非线性方程或方程组(各一个简单例子)]]></description><category></category></item><item><title><![CDATA[本征矢按列归一化(未详细验证)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/148137273</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/148137273</guid><author>jack_BOB_LUO</author><pubDate>Thu, 22 May 2025 11:49:40 +0800</pubDate><description><![CDATA[【代码】本征矢按列归一化(未详细验证)]]></description><category></category></item><item><title><![CDATA[matlab假设符号变量为正整数和限定符号变量范围]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/145041344</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/145041344</guid><author>jack_BOB_LUO</author><pubDate>Sun, 12 Jan 2025 11:32:40 +0800</pubDate><description><![CDATA[配合assumptions()函数可以查看符号变量设置的性质。]]></description><category></category></item><item><title><![CDATA[matlab中高精度计算函数vpa与非厄米矩阵本征值的求解]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144930411</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144930411</guid><author>jack_BOB_LUO</author><pubDate>Sat, 04 Jan 2025 15:26:30 +0800</pubDate><description><![CDATA[matlab中高精度计算函数vpa]]></description><category></category></item><item><title><![CDATA[matlab中一个有用的内置常量——eps]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144556612</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144556612</guid><author>jack_BOB_LUO</author><pubDate>Wed, 18 Dec 2024 11:22:41 +0800</pubDate><description><![CDATA[eps是MATLAB中最小的浮动量。]]></description><category></category></item><item><title><![CDATA[获取当前脚本所在文件夹绝对路径]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144358901</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144358901</guid><author>jack_BOB_LUO</author><pubDate>Mon, 09 Dec 2024 21:59:17 +0800</pubDate><description><![CDATA[【代码】获取当前脚本所在文件夹绝对路径。]]></description><category></category></item><item><title><![CDATA[对colormap的那个N行三列矩阵进行线性插值的代码(三维scatter3中的确可以看到是正确插好值了的)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144311788</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144311788</guid><author>jack_BOB_LUO</author><pubDate>Sat, 07 Dec 2024 16:08:15 +0800</pubDate><description><![CDATA[【代码】对colormap的那个N行三列矩阵进行线性插值的代码(三维scatter3中的确可以看到是正确插好值了的)]]></description><category></category></item><item><title><![CDATA[matlab保存绘图并保留最少白边]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144118886</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/144118886</guid><author>jack_BOB_LUO</author><pubDate>Thu, 28 Nov 2024 19:29:15 +0800</pubDate><description><![CDATA[matlab绘图保存保留最少白边]]></description><category></category></item><item><title><![CDATA[广义布里渊区方程推导过程中一个公式的理解]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/143667255</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/143667255</guid><author>jack_BOB_LUO</author><pubDate>Sun, 10 Nov 2024 21:30:53 +0800</pubDate><description><![CDATA[GBZ相关]]></description><category></category></item><item><title><![CDATA[紧束缚开链驻波动画(可生成gif图片)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/143376037</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/143376037</guid><author>jack_BOB_LUO</author><pubDate>Wed, 30 Oct 2024 21:58:59 +0800</pubDate><description><![CDATA[【代码】紧束缚开链驻波动画。]]></description><category></category></item><item><title><![CDATA[给定正多边形外切圆半径和边数，给出正多边形各顶点的xy坐标的matlab函数]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/139708148</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/139708148</guid><author>jack_BOB_LUO</author><pubDate>Sat, 15 Jun 2024 20:45:31 +0800</pubDate><description><![CDATA[给定正多边形外切圆半径和边数，给出正多边形各顶点的xy坐标的matlab函数]]></description><category></category></item><item><title><![CDATA[matlab中一种直观的构建矩阵的方式]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/136921329</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/136921329</guid><author>jack_BOB_LUO</author><pubDate>Mon, 22 Apr 2024 21:21:49 +0800</pubDate><description><![CDATA[matlab中一种构建矩阵的技巧]]></description><category></category></item><item><title><![CDATA[群折射率$ n_g$与有效折射率$ n_{eff}$的关系详细推导(假设$ \lambda_0$为真空入射光波长)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/132299153</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/132299153</guid><author>jack_BOB_LUO</author><pubDate>Tue, 15 Aug 2023 15:01:50 +0800</pubDate><description><![CDATA[群折射率和有效折射率关系公式的详细推导]]></description><category></category></item><item><title><![CDATA[matlab设置图像的坐标轴刻度朝外]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/132050654</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/132050654</guid><author>jack_BOB_LUO</author><pubDate>Tue, 01 Aug 2023 20:55:04 +0800</pubDate><description><![CDATA[matlab图像的坐标轴刻度设置朝外]]></description><category></category></item><item><title><![CDATA[平板光波导中导模的(注意不是泄露模)传播常数β的matlab计算(验证了是对的)]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/131982136</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/131982136</guid><author>jack_BOB_LUO</author><pubDate>Sat, 29 Jul 2023 20:58:59 +0800</pubDate><description><![CDATA[(Slab waveguide)平板光波导的传播常数的计算]]></description><category></category></item><item><title><![CDATA[用平面波展开法(PWEM)计算光子晶体条状超原胞的投影能带]]></title><link>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/130654964</link><guid>https://blog.youkuaiyun.com/jack_BOB_LUO/article/details/130654964</guid><author>jack_BOB_LUO</author><pubDate>Sat, 13 May 2023 11:04:53 +0800</pubDate><description><![CDATA[(平面波展开法)PWEM算投影能带]]></description><category></category></item></channel></rss>