K-NN

This is matlab code for estimating the static linear system with Ridge Regression that is written by matlab 7.0. Here we want to estimate the below function: 1 - u^2 + 2*u^3 +u^5 +3*u^7 these are 2 files : without noise and with noise finally,there are plots for showing results.

定义了一个函数来生成m序列，给定特征多项式向量和初始向量，可以生成对应的m序列。(Defines a function to generate the m sequence, a given characteristic polynomial vector and the initial vector, can generate the corresponding sequence m.)

Big Data White Paper

用Mie理论计算双层粒子的散射角——散射光强曲线 1．RB1.m 计算第一类Ricatti-Bessel函数的函数 2．RB2.m 计算第二类Ricatti-Bessel函数的函数 3. Alegendr.m 计算角函数 和 的函数 4. MieCoeff.m 计算包覆粒子米尔系数的函数 5. Amp.m 计算散射光复振幅的函数 6. MieIntensity.m 画包覆粒子散射角-光强图 (Mie theory calculations using double-particle scattering angle- scattering intensity curve 1. RB1.m calculate the first class Ricatti-Bessel function of the function 2. RB2.m calculate the second category Ricatti-Bessel function of the function 3. Alegendr.m computing angle functions and function 4. MieCoeff.m coated particles Mill coefficient calculation function 5. Amp.m calculate the scattering amplitude recovery function 6. MieIntensity.m painting coated particle scattering angle- light intensity diagram)

programme en matlab et document pdf

利用matlab建立的一个简单CSTR模型，带有pid控制回路(A CSTR model built by matlab code with a PID controller)

说明：  计算hurst_exponent的matalb程序 用于检测时间序列的非线性特性(Procedures for calculating hurst_exponent of matalb time series for nonlinearity detection)

实现不同噪声情况下qpsk的调制，并得出了星座图。(Implement different noise situation of QPSK modulation and the constellation diagram is obtained. )

基于simulink的四旋翼飞行器动力学建模与简单PID控制。(Based on the four-rotor dynamics modeling with a simple PID control simulink.)

elasticsearch-river-mongodb 源码,主要讲述elasticsearch 和 mongodb 同步索引实现。可以实现自己编译。(Elasticsearch-river-mongodb source code, including elasticsearch and mongodb synchronization index. Can be compiled.)