Multivariate-Statistical-Approaches

homework 3-5 is difficult

一个MATLAB gui实例，轻松就学会了MATLAB gui，我们一起进步！(A MATLAB gui instance, easily learned MATLAB gui, we progress together!)

对于初学matlab 的人来说 ，这些小程序很基础，但是很有用，对以后大的程序有很大的帮助。(For beginners matlab people, these small program is very basic, but useful for future large program of great help.)

Hand recognition using Keypoint matching algorithm is implemented

用Wilson方法计算结构动力反应(无阻尼)(Wilson calculated using the structure of dynamic response (without damping))

The model used for creating the reference voltage is shown in Fig. 4. First, photovoltaic output current (Ipv) and output voltage (Vpv) are passed through a first order low pass filter with a magnitude of G = 1 and a time constant of T = 0.01 seconds in order to filter out the high frequency components or harmonics from these signals as shown in Fig. 5 and Fig. 6. The filtered current and voltage signals (Ipv_F and Vpv_F) are then fed into the MPPT control block that uses the Incremental Conductance Tracking Algorithm. An algorithm that is based on the fact the slope of the PV array power curve shown in Fig. 7 is zero at the Maximum Power Point (MPP), positive on the left of the MPP, and negative on the right. The MPP can thus be tracked by comparing the instantaneous conductance (I/V) to the incremental conductance (∆ I/∆ V) [11] as in (1):

从3种不同的方法来分析，实现解微分方程。(From three kinds of different ways to analyze and realize solving differential equations.)

A guide to Matlab for Beginners and experienced users, A Guide to MATLAB Object Oriented Programming, The Handbook Of Data Mining, Matlab - Creating Graphical User Interfaces,(A guide to Matlab for Beginners and experienced users, A Guide to MATLAB Object Oriented Programming, The Handbook Of Data Mining, Matlab- Creating Graphical User Interfaces,)

X2分布检验，只要是用来检验数据是否属于正态，对数正态，伽马分布(X2 distribution of test data as long as they are used to test whether they are Normal, Lognormal, Gamma distribution)

根据公式I（n-1）=（1-In）/n 令I11=0计算I1 到I10； 根据公式In=1-nI(n-1) 令I0=0.6321 计算I1到I7； 根据公式X2=a ， 令a=2，计算X的值。(According to the formula I(n-1)=(1-In)/n ，set I11 equals zero，and count I1 to I10. According to the formula In=1-nI(n-1)，set I11 equals zero，and count I1 to I10. According to the formula X square equals a ，set a equals two ，then calculate X )