laplacian

说明：  飞机设计的相关程序,全机总体参数计算程序 ,全机气动曲线计算程序 ,机翼载荷分布计算程序,巡航状态纵向动稳定性计算程序 ,横航向稳定性计算程序,平飞速度范围计算程序,螺旋桨特性计算程序 (program about flight design including most of problems in flight design)

用matlab编写的基本粒子群算法，适合于初学者(Using matlab elementary particle swarm algorithm, suitable for beginners)

在matlab中，基于GUI工具箱，实现了电子琴的功能(GUI-based toolbox in matlab, the functionality of the keyboard)

This Matlab program filters the baseline drift in ECG signals using different techniques: - median filtering - moving average filtering - first order Kalman Smoother Filter - first order zero-phase Lowpass filter - Bandpass filter using FFT filtering

说明：  该算法具有较好的全局搜索能力，在优化参数方面效果很好。(The algorithm has a good global search ability, and has a good effect in optimizing parameters.)

matlab编写的量子遗传算法，使用MATLAB实现，可用于对数据分类等(prepared quantum genetic algorithm matlab)

PCA与不用PCA进行人脸识别的比较，请先安装sltoolbox，人脸数据库采用orl(PCA and PCA for face recognition do not have the comparison, please install sltoolbox, face database used orl)

说明：  matlab解微分方程的详细算法以及一些例子(matlab solutions of differential equations as well as some examples of the detailed algorithm)

噪声中正弦信号的现代法谱分析，采用了直接法、间接法、Bartlett法和Welch法，分别分析了不同窗长度、不同窗函数和不同信噪比对谱估计的影响。(Modern normal spectrum analysis of sinusoidal signal in noise adopts direct method, indirect method, Bartlett method and Welch method. The effects of different window lengths, different window functions and different signal-to-noise ratios on spectrum estimation are analyzed respectively.)

大学物理实验中电子电荷测量的源代码，在excel表格中输入平衡电压以及运动时间，运行后可以直接生成实验结果。(Measurement of the electron charge in college physics experiment source code in excel form input balance voltage, and exercise time, experimental results can be generated directly in the running.)