ex3.3.1extrapolation

这是一个单纯形法的Matlab程序，用于无约束非线性规划问题(Simplex method)

matlab的基本入门教程，可以帮助matlab初学者更加好得掌握这一门编程技巧(matlab basic introductory tutorial to help beginners more matlab too good programming skills to grasp the door)

说明：  如何在一个方形区域画一个半径为小数的圆，也要求画出方形区域，并指出圆的位置(how to plot a circle and a square,please point the location of the circle)

这是一个低通抽样定理，例题中包括了低通信号的波形，抽样速率为4Hz的抽样信号，抽样序列恢复出原始信号(This is a low-pass sampling theorem, examples included in the lowpass signal waveform, the sampling rate is 4Hz sampling signal to recover the original signal sample sequence)

matlab下fdatool工具官方文档，介绍如何使用fdatool设计数字滤波器。(matlab official document of the fdatool tool describes how to use fdatool design digital filters.)

用Matlab对随机语音信号进行处理，编制基于GUI格式的随机信号处理工程(Using Matlab to random voice signal processing system based on GUI format, the random signal processing engineering )

潮流计算程序，本程序是基于牛顿拉夫逊算法的潮流计算子程序-powerload(Flow calculation program, this program is based on the trend of the Newton Raphson algorithm subroutine-powerload of)

fdtd 1d matlab code pqp ich hab schon para de enrolar caralho

用MATLAB实现遗传算法的程序，可以无限制的套用，仅供参考！(it is good!)

本例程用于心电信号中QRS波的检测，可以精确定位出QRS波的峰值位置和峰值大小(this is used to test the QRS waves of ECG signals)