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稀疏矩阵标准答案
经典矩阵运算问题求解(classic problem solving matrix operations)
- 2005-03-10 14:05:21下载
- 积分：1
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FFT
利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ，可以通过对x(n)做傅里叶变换，得到频谱图，找出幅度的最大值对应的频率值 ，进行多次变换，求出均方误差 。改变信噪比SNR，通过仿真可以得出随着信噪比增加，均方误差减小。(Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimposed on the frequency of sinusoidal signals, can be achieved by x (n) be the Fourier transform to get spectrum to identify the magnitude of the frequency value corresponding to the maximum , several transformations, find the mean square error. Change the signal to noise ratio SNR, the simulation can be drawn as the SNR increases, the mean square error decreases.)
- 2011-04-26 10:53:04下载
- 积分：1
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qiantuihuidai_method
这是前推回代法求解三相不平衡配电网的潮流计算，适合各种情况下的节点。(This is the forward and backward substitution method to solve the three-phase unbalanced distribution network power flow calculation, suitable for a variety of situations node.)
- 2021-05-07 16:52:36下载
- 积分：1
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sdfsgsdgseg
关于房屋贷款贷款的计算，包含本息、本金、一次性付款等贷款方式(Calculated on mortgage loans, including principal and interest, principal, and other one-time payment of loans)
- 2013-08-17 15:07:36下载
- 积分：1
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Scooter
计算水声传播的快速场程序，使用了有限元方法，计算速度快，精度高。(underwater acoustic propagation Fast Field Program, using Finte Element Method,fast and accurate.)
- 2021-03-19 20:39:19下载
- 积分：1
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BEMforacoustics
求解声学问题的边界元源程序，可以为使用边界元法求解位势问题和弹性力学问题提供启发(problem solving acoustic BEM source, for the use of the boundary element method and the potential problems of elasticity to provide inspiration)
- 2006-11-15 19:06:28下载
- 积分：1
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Matlab3
插值与拟合，牛顿插值法，直接利用拉格朗日插值多项式的病态性(Interpolation and fitting, Newton interpolation method, the direct use of Lagrange Interpolation polynomial morbid)
- 2014-10-30 18:56:30下载
- 积分：1
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hermit
数值分析中运用matlab用hermit插值多项式逼近函数(Numerical analysis using matlab function hermit interpolation polynomial approximation)
- 2012-10-19 00:04:07下载
- 积分：1
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自定义k-e方程
实现用fluent udf自定义k~e方程(Define the k~e equation by using fluent udf function.)
- 2021-01-15 02:38:45下载
- 积分：1
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Finite_element_tri
有限元法求解泊松方程，用matlab编写的计算程序(Finite element method for solving Poisson)
- 2008-05-22 15:52:07下载
- 积分：1
