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ff2
fft谐波分析的实例,并求出THD即谐波畸变率
(Examples fft harmonic analysis, and find THD)
- 2014-11-15 10:52:45下载
- 积分:1
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BLKTRIDIAG
说明: 所给的m文件中有详细的构造三对角分块矩阵的方法,而且构造的分块矩阵采用的是稀疏存储的方法,适用于大型三对角分块矩阵的构造(There are detailed methods to construct tridiagonal block matrix in the given m file, and the method of sparse storage is used to construct the block matrix, which is suitable for the construction of large tridiagonal block matrix.)
- 2019-04-20 22:33:32下载
- 积分:1
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Wake-model
自己总结的一些现阶段用得比较多的尾流计算模型(Some of your summary of present with more drafting calculation model)
- 2021-03-05 16:19:31下载
- 积分:1
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StokesHotine
地球科学:重力场积分(Fortran90)
Stokes/Hotine/V_M垂线偏差积分:数值积分、二维平面FFT、二维球面FFT、一维FFT(Earth Sciences: Gravity Field Points (Fortran90) Stokes/Hotine/V_M deflection of the vertical integration: numerical integration, the two-dimensional plane FFT-dimensional sphere FFT, one-dimensional FFT)
- 2012-10-13 13:14:35下载
- 积分:1
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matlab
己知一些离散的点,使用matlab利用最小二乘法拟合(Had a number of discrete points, with linear least squares fitting)
- 2013-10-14 15:05:47下载
- 积分:1
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BigNumber
大数类,重载了各类操作符,可以直接使用(fate categories, a variety of heavy-duty operator can be used directly)
- 2005-02-27 10:55:05下载
- 积分:1
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mathmatics_of_computer
C++实现的数值分析算法包括:
二分法.cpp
复化辛卜生公式.cpp
改进欧拉法.cpp
高斯-赛德尔迭代法.cpp
拉格郎日插值多项式.c(C achieve the numerical analysis algorithms include : dichotomy. cpp Minute of Oracle Health formula. cpp Improved Euler method. cpp Gauss- Seidel iterative method. cpp Lagrange polynomial interpolation. c)
- 2006-11-18 17:20:47下载
- 积分:1
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Curve_Fitting
能够非线性函数的曲线拟合,包括一个Matlab的m文件和存有实验数据的txt文件。(Nonlinear function to the curve fitting, including a Matlab m-files and there are experimental data txt file.)
- 2008-04-22 19:55:47下载
- 积分:1
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Calculator
PB开发的计算器程序,适合初学者,比较简单,开发程序版本PB9.0(PB calculator program developed for beginners, is relatively simple, the development program version PB9.0)
- 2012-12-26 17:55:50下载
- 积分:1
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simulink
求非线性系统的相平面轨迹、平衡点时,编写采用一步仿真计算状态轨线斜率的函数M文件(Phase plane trajectory of nonlinear systems, the equilibrium point, write step simulation state rail line slope function M)
- 2013-03-08 19:51:53下载
- 积分:1