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code-computational-physics
The code is useful for solving partial
differential equations such as the advection equation, the 2 dimensional heat equation.
Also contains code to simulate two falling balls align in one axis with rebound.
Also has some code for implementing the Successive over-relaxation method.
- 2011-12-01 03:45:50下载
- 积分:1
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Untitled2
功率谱估计,包括周期图法,burg法,music法,和welch法,并绘图比较(psd,pmusic,pburg)
- 2009-05-24 19:29:21下载
- 积分:1
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32815532particle-filter-mcmc
MCMC绝对可以运行,在matlab7.1上测试过的,OK(The MCMC absolutely can run)
- 2012-04-28 21:14:06下载
- 积分:1
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meanc
Mean-scales data table Z (new operation or based on know parameters),
or reverses mean-centering operation.
- 2011-07-22 18:48:17下载
- 积分:1
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example4_3
例3:分析占空比为ta的矩形脉冲频谱
T=1 时间窗大小
ta=0.5 占空比
N=256
t=linspace(-T,T,N)
ts=2*T/N
fs=1/ts
(x=zeros(1,N)
x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1)
y=fft(x,N)
figure
plot(t,x)
title([ 时域信号图 占空比为 ,num2str(ta)])
axis([-T T-0.2 1.2])
xlabel( t /s )
figure
subplot(211)
f=linspace(-fs/2,fs/2,N)
plot(f,abs(fftshift(y))/N)
title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ])
xlabel( f /Hz )
)
- 2010-05-25 20:59:59下载
- 积分:1
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emd
经验模态分解的程序,由其他学者提供,使用方便高效。(emd programme)
- 2012-04-17 14:13:40下载
- 积分:1
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classical PI model
使用一般PI模型拟合非线性曲线,最小二乘法参数辨识,逆模型前馈(The general PI model is used to fit the nonlinear curve, the least square parameter identification, and the inverse model feedforward.)
- 2021-04-10 18:38:59下载
- 积分:1
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topnology
MATLAB做网络优化,先生成一个随机的邻接矩阵,然后画出改图。(MATLAB to do network optimization, sir into a random adjacency matrix, and then draw the reform plan.)
- 2010-09-03 23:43:12下载
- 积分:1
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uniform_m_src.tar
说明: 一个很重要的程序包,里面包含很多程序,
MATLAB码(UNIFORM is a MATLAB library which returns a sequence of uniformly distributed pseudorandom numbers.
)
- 2011-04-15 22:36:40下载
- 积分:1
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tanmlp1
根据一年中前6个月的负荷和电价数据,预测后六个月的电价,并计算精度(According to the first 6 months of the year the load and price data, predict the next six-month price and caculate the accuracy)
- 2011-04-28 13:34:42下载
- 积分:1