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ARIMA模型(R语言)
说明: ARIMA的R语言实现。这是一份关于使用R统计软件进行时间序列分析的入门文档(This is a start-up document about time series analysis using R statistics software.)
- 2020-02-03 19:47:56下载
- 积分:1
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orbit_integrator
考虑地球J2项摄动的轨道积分器,变步长,基于龙格库塔78阶,(orbital integrator considering the J2 pertubation, based on the Runge-Kutta 78 integrator, use automatic step control)
- 2020-12-07 14:49:21下载
- 积分:1
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MagneticInduction
计算磁铁在线圈经过时,感生电压和磁铁位置的关系,即电磁感应系数(when a magnet passes by a coil, to calculate the induced voltage)
- 2018-05-28 22:28:36下载
- 积分:1
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frft
说明: 分数阶傅里叶变换计算方面的文章,另附程序清单(Fractional Fourier transform calculation of the article, followed the list of procedures)
- 2020-09-14 20:08:02下载
- 积分:1
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cplex
使用java语言调用cplex求解简单案例(use java language with cplex solver to solve some simple cases)
- 2018-06-19 15:48:25下载
- 积分:1
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my378
包括脚本文件和函数文件形式,MinkowskiMethod算法 ,抑制载波型差分相位调制。( Including script files and function files in the form, MinkowskiMethod algorithm, Suppressed carrier type differential phase modulation.)
- 2017-06-02 11:09:56下载
- 积分:1
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poly
求两个多项式的最大公约式,多项式按照如下格式输入,如果输入
3 //次数
1 2 3 4 //系数
则表示
1+2x+3x^2+4x^3(For two of the largest convention-type polynomials, polynomial input in accordance with the following format, if you type 3// number 1 2 3 4// coefficient express 1+ 2x+ 3x ^ 2+ 4x ^ 3)
- 2008-05-16 18:44:14下载
- 积分:1
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Viscoelastic
粘弹正演程序和模型实例,2维数值模拟正演,适应于粘弹介质,(This program can be two-dimensional numerical simulation of acoustic wave equation, Viscoelastic isotropic media.)
- 2013-12-09 15:07:58下载
- 积分:1
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relax
谐波检测的RELAX算法,优于FFT,能够对幅值,频率,相位进行有效估计(an algorithm for estimation of sinusoid parameter)
- 2021-01-17 15:48:45下载
- 积分:1
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PE
说明: 计算潜在蒸发,方法为彭曼法,需要气温、日照、风速等资料,具体详见程序界面(Pe calculation)
- 2011-12-02 11:51:02下载
- 积分:1