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nihe
最小二乘法拟合进行n次多项式拟合，N用来控制拟合的次数，例如N=5时进行4次多项式拟合，还回的是拟合系数(Least squares fit polynomial n times, N is used to fit the number of control, e.g., N = 5 When quartic polynomial fitting, further back are fitting coefficients)
- 2021-02-14 15:39:49下载
- 积分：1
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lasso
使用lasso方法，对特征矩阵进行优化特征选择（向量选择），使其达到最优。(Use lasso method, optimize the characteristic matrix feature selection (vector selection), to the optimal.)
- 2020-07-15 09:28:51下载
- 积分：1
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SQP序列二次规划算法小程序
说明： 用于求解数值算法最优化算法中的SQP算法(Solve SQP algorithm Numerical algorithm optimization algorithm)
- 2020-07-24 21:03:47下载
- 积分：1
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sw_pres
根据海水的速度 密度 温度 盐度等计算海洋各处的压力数值(Speed according to the density of seawater temperature and salinity values calculated pressure throughout the ocean)
- 2013-10-10 16:36:37下载
- 积分：1
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04
说明： 龙格-库塔方法的使用，例子
求y’=y-2x/y，y(0)=0。
解：输入X0=0，X1=1，H=0.2，N=6。()
- 2007-09-08 08:47:57下载
- 积分：1
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wigb
将矩阵显示成地震剖面，如果只 a 是输入，可扩展，X，Z，安姆，连接AMX自动决定，否则为“可扩展”是一个标量， ，z 的载体用于注释的偏移和时间，连接AMX振幅范围内。(The matrix shown as seismic profiles, If only a is enter, scal,x,z,amn,amx are decided automatically
otherwise, scal is a scalar x, z are vectors for annotation in
offset and time, amx are the amplitude range.)
- 2020-10-28 08:59:58下载
- 积分：1
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acoustic_fir_floor
这是地球物理学中声波波动方程正演程序，非常有用(this is a program about finite difference)
- 2014-05-31 23:43:08下载
- 积分：1
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beamformer
通信領域於天線上常運用的波束集成，以matlab寫成。能模擬不同距離造成的波束形狀之不同。也加入部份Dolph-Chebyshev最佳化方法。(A traditional beamformer that can simulate differnt distance from the origin, and some implementation using Dolph-Chebyshev amplitude distribution.)
- 2010-10-17 16:40:40下载
- 积分：1
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demo
This is a simple mergesort code. It contains four directory. In the "lib" directory, there re two source code that can serve as timer and memory usage indicater. In the "src" directory, function "mergesort" can perform merge sort, while there s also a main function to execute it.
- 2012-04-29 12:12:55下载
- 积分：1
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HLL2
计算流体力学，HLL格式的一个算例，可以直接计算，适合初学者，易懂，每步有说明。(The calculation of an example of fluid dynamics, HLL format, can be calculated directly, suitable for beginners, easy to understand each step is described.)
- 2021-04-21 01:38:49下载
- 积分：1
