sangpie

灰色关联度分析是基于灰色系统的灰色过程, 进行因素间时间序列的比较来确定哪些是影响大的主导因素, 是一种动态过程的研究。(Grey Relational Analysis is based on gray gray process, the comparison of the time series between the factors to determine what affect the the big dominant factor, is a dynamic process.)

牛顿插值算法，利用数组存储均差表，一步步迭代求得插值(Newton interpolation algorithm, the use of array stores are differential gauge, step by step, iterative get interpolation )

c/C++跟fortran语言之间的一些转换(c/C fortran language with the conversion between)

最小二乘法求超定线性方程组得C＋＋模板，还包括矩阵求逆，矩阵乘法等小函数(Overdetermined least-squares method of linear equations have to C templates, also includes matrix inversion, matrix multiplication, such as small function)

频谱分析,用于对等时间间距的序列进行频谱分析 很好的(Spectrum analysis for equivalent time interval sequence spectrum analysis is very good)

converts binary sequence to decimal sequence

MATLAB 地震波FFT变换 调幅，周期调节(MATLAB earthwave FFTtransform)

近似熵和互近似熵的matlab代码，用于脑波分析很有用(Approximate entropy and cross approximate entropy matlab code for brain wave analysis useful)

以前用VB6编写的一个计算器，支持常用的数学函数，支持弧度、角度转换，支持简单的函数作图。(A calculator writen by VB6, supports common mathematical functions, support radian, angle conversion, support simple function mapping.)

说明：  Matlab求解微分方程组，几种经典算法(MATLAB Solves Differential Equations, Several Classical Algorithms)