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BESSEL
计算bessel函数的值。在调压室的结构应力计算时可用到。(Calculate bessel function value. Stress in the surge tank can be calculated to.)
- 2010-05-25 15:16:46下载
- 积分:1
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Bayes-KNN
基于贝叶斯-KNN文本分类算法的设计与实现。
是贝叶斯和KNN两种分类算法的结合。(Bayesian-KNN text categorization algorithm design and implementation. Bayes and KNN is a combination of two kinds of classification algorithms.)
- 2011-08-01 11:36:31下载
- 积分:1
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fft
说明: 用DFT 函数计算电压u, 电流i的基波(f1=50 Hz)的有效值和相位;
用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角;
可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function.
The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively.
The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.)
- 2019-03-28 15:48:19下载
- 积分:1
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rk4
这是四阶的龙格库塔算法和lyapunov指数稳定性。(tihs is a runge kutta method )
- 2012-12-13 11:06:20下载
- 积分:1
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brick
有限元n维实体材料单元,仅供科研用途,拒绝商业使用(N-dimensional finite element solid material element, for scientific purposes, refusing commercial use)
- 2013-10-23 14:32:13下载
- 积分:1
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Numerical-analysis-of-program-3
数值分析算法,该压缩包含有雅克比迭代算法、弦割法法及综合评测法等(Numerical analysis algorithms, the compression Jacobi iteration algorithm, France and France chord cutting and comprehensive evaluation method)
- 2012-02-04 22:01:26下载
- 积分:1
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Frequency_field_extend
重力频率域位场延拓。将观测面的位场数据(a20_mag.gtd)向上延拓3.3m,之后与已知的理论值(a53_mag.grd)进行比较,计算其均方误差;反之,将观测面的位场数据(a53_mag.grd)向下延拓3.3m,之后与已知的理论值(a20_mag.grd)进行比较,计算其均方误差。(gravity frequency field extend)
- 2011-12-15 22:27:07下载
- 积分:1
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thermo_mechanical
有限元热计算的算例,做有限元热分析的朋友比较有用(Finite element calculation of hot example, to do finite element analysis of hot Friend more useful)
- 2007-09-21 20:32:05下载
- 积分:1
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cordic
cordic,matlab,sin,cos,atan,sqrt
- 2017-12-07 11:20:19下载
- 积分:1
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0-1
说明: 用LINGO求解最短路径问题,此方法为0-1规划,只适用于简单的ILP问题。(Lingo is used to solve the shortest path problem, which is a 0-1 programming method. It is only suitable for simple ILP problems.)
- 2020-05-04 08:21:21下载
- 积分:1