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Jacobi
Jacobi矩阵一般是坐标变换时用的——这个坐标系的坐标依次对那个坐标系的坐标求偏导数即得Jacobi矩阵。积分时从直角坐标变到球坐标、极坐标肯定要在积分号里乘上Jacobi矩阵的行列式。
若其特征值全为正,则此Jacobi矩阵正定,即它的任何二次型都大于零。并且如果是对称Jacobi矩阵,还可以实相合于一个单位阵。是比较强的条件。矩阵A的特征值是这个关于x的方程的所有根
det(A-xI)=0(Jacobi)
- 2010-12-20 23:19:38下载
- 积分:1
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Laguerremethod
find root of a polynomial using Laguerre s algorithm
- 2011-05-18 22:42:51下载
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ofdm-over-awgn
ofdm signal over awgn
- 2014-11-25 03:48:33下载
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Doc1
log of a structure 9 story
- 2013-12-20 16:32:03下载
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matlab
一些基本的matlab编程实验及程序,用MATLAB进行信号与系统分析,信号与系统的数值化处理,工程应用基石:函数与工具箱(Some basic matlab programming experiments and procedures, numerical processing of signals and systems analysis, signals and systems using MATLAB, the cornerstone of engineering applications: function and toolbox)
- 2012-04-11 13:23:13下载
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Hamming_BER
hamming code in matlab platform
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main_gerrymanding
美国建模大赛 gerrymand问题的源代码有注解 代码比较简单 使用模拟退火法求解(code with annotation of model of gerrymanding(MCM),the result is obtained by using annealing algorthm)
- 2012-02-09 19:16:17下载
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cylinder_test2
格子boltzmann 方法,D2Q9模型,圆柱绕流,采用反弹-漫反射综合边界条件(Lattice boltzmann method, D2Q9 model flow around a cylinder, using the bounce- Diffuse integrated boundary conditions)
- 2013-08-10 18:33:22下载
- 积分:1
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AdaptiveThreshold.tar
Adaptive Threshold method matlab realisation
- 2009-06-10 21:37:17下载
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UCA
提供了二阶块稀疏算法,该算法特别适合于压缩感知
- 2021-04-06 22:49:02下载
- 积分:1