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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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freqresponse
说明: 计算平面桁架的频响函数,求得某一节点的速度,加速度。(Frequency response function calculation plane truss, a node obtained velocity and acceleration.)
- 2021-02-01 21:10:00下载
- 积分:1
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pd
说明: 本程序为带有偏微分的PID控制程序,很好的解决了传统PID控制的不足。(This program is the PID control with partial program, a good solution to the shortage of traditional PID control.)
- 2010-05-24 14:35:12下载
- 积分:1
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Yan_Yi_BPSK
仿真BPSK(Binary Phase Shift Keying)载波调制信号在AWGN(加性高斯白噪声AWGN(Additive White Gaussian Noise))信道下的误码率和误比特率性能,并与理论值相比较。(Simulation of BPSK (Binary Phase Shift Keying) modulation signal in AWGN (additive white Gaussian noise AWGN (Additive White Gaussian Noise)) under the channel bit error rate and bit error rate performance, and compared with the theoretical value.)
- 2014-11-05 15:29:19下载
- 积分:1
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3-FUZZY-CONTROLLER-BASED-DVR
FUZZY CONTROLLER BASED DVR TO
MITIGATE POWER QUAITY AND REDUCE THE
HARMONICS DISTORTION OF SENSITIVE LOAD
- 2013-09-30 13:57:20下载
- 积分:1
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DFIGn
this is use for simulation
- 2012-05-30 20:43:51下载
- 积分:1
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aDemo
iris recognition sample coding
- 2012-01-12 23:05:40下载
- 积分:1
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adaptivemmse
这是一个采用MMSE方法实现的自适应空时多用户侦测程序,还有卷积子程序,侦测子程序,注释详细(This is a method used to achieve adaptive MMSE space-time multiuser detection process, as well as convolution subroutines, detection subroutine, comments in detail)
- 2009-11-25 09:47:04下载
- 积分:1
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WhiteNoise_series
辨识信号白噪声的产生,新手必看。希望对大家帮助(Identification signal generating white noise, Xinshoubikan)
- 2013-09-10 14:38:55下载
- 积分:1
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gif_make
在gif_make 联合开发网 - pudn.com
- 2014-01-22 13:22:09下载
- 积分:1