shuangbianfuliyebianhuan

这是学习分数阶傅里叶变换，必须的算法这是学习分数阶傅里叶变换，必须的算法这是学习分数阶傅里叶变换，必须的算法(the of fragnaii or fft)

本算法是基于数值计算中的SQP编写的MATLAB程序。非常实用的一个小程序。(This algorithm is based on the numerical calculation of SQP written MATLAB program. Very practical one small program.)

利用MATLAB程序实现时间序列的预测功能(Using MATLAB program to achieve prediction function of time series.)

MATLAB的希尔伯特谱分析，导入数据实现算出。最下二乘拟合算法。快速傅里叶变换详细算法。(MATLAB Hilbert spectrum analysis, import data to achieve calculation.The two by fitting algorithm. With the fast Fourier transform algorithm.)

一个用拟牛顿算法求解优化问题的程序，此程序为MATLAB程序，大家用前自己注意检查一下(A Quasi-Newton algorithm using optimization procedures, the procedures for the MATLAB program, we pay attention to before their own check)

说明：  此程序为满足条码不能带IOQ三位字母的计算方法(Bar code can not be three letters with the calculation of IOQ)

说明：  Matlab编写的最速下降法算法程序，美国一本权威数值计算方面的书上的源程序。(Matlab prepared by the steepest descent algorithm, a numerical calculation authoritative book on the source.)

矩阵计算，包括加减乘，反矩阵，python源码，可以直接使用(matrix calculation)

四阶龙格库塔法解一阶二元微分方程 应用于数值计算(Fourth-order Runge-Kutta method for solving a class of binary differential equations for numerical calculation)

xfdtd中用于计算光子晶体PBG的算例(example used for PBG calculation in xfdtd)