Class

说明：  实现了免疫算法求解约束优化问题的实例。实验表明，算法具有良好的性能。(The method is the implementation of Immune Algorithm(GA). The experiment results show that the efficiency of the algorithm is better.)

本文基于BP神经网络应用于预测的原理，提出预测步骤及预测可行性，探讨建立基于BP神经网络的预测模型的关键技术，包括样本的选取与预处理、输入输出变量的选取、隐层节点数的确定、初始权值和阈值的选取、激活函数、训练算法与参数的选取，最后建立合理的网络模型；结合住宅市场的实际情况，建立两类BP 神经网络预测模型：基于时间序列的趋势预测模型以及基于影响因素的回归预测模型，即分别采用神经网络趋势预测和回归预测的思路，把住宅市场的供给、需求与房价的历年数据以及其影响因素的数据分别作为学习样本，建立预测模型，进行预测。(Real estate development risk prediction )

说明：  这里边提供了一个matlab实现的图像配准的算法. 供大家参考,方便学习研究之用.(here is the realization of a Matlab image registration algorithm. For your reference, facilitate learning research.)

机器人工具箱9.5版本。可自定义机器人连杆坐标系，进行正向逆向的运动学、动力学求解，并包较多的的机器人Simulink仿真模块。有PDF说明书。(Robot Toolbox 9.5 version. Self-definition of the robot link coordinate system, forward and reverse kinematics, dynamics solver, and package more of the robot the Simulink simulation module. PDF manuals.)

MATLAB code for fast fourier transform

Define a macro that takes a le32 word, converts it to host ordering, right shifts by a specified count, creates a mask of the specified bit count, and extracts that number of bits.

数值方法（MATLAB版）第四版的上机答案 语言是matlab 一般每个题目一个文件夹 主程序一般为main文件(Numerical methods (MATLAB version) fourth edition of the machine language is the answer to every problem a general matlab folder as the main file main general)

计算泊松方程的方程程序算法。计算物理的非常经典的算法之一。(An algorithm for calculating the Poisson equation. One of the very classic algorithms for computing physics)

将蚁群优化算法与粒子群优化算法进行组合，并利用遗传算法的交叉操作与变异操作对粒子多样性进行改进，提高全局优化效率，并配有实例演示。(The ant colony optimization algorithm and the particle swarm optimization algorithm are combined, and the genetic algorithm is used to improve the diversity of the particles. )

对多径信道的仿真 输入码元,是一行矩阵,可以是实数也可以是复数 ％fs是输入码元的比特率 ％fd是多普勒频移 ％n_delay是多径信道的径数 ％t_delay是多径信道各径的时延时间 ％p_delay是多径信道各径的功率db值 (Of the multipath channel simulation input symbol is a line matrix, can be a real number can also be plural fs is the input symbol of the bit rate fd is the Doppler frequency shift is n_delay multipath channel diameter of a few t_delay is multipath channel time delay of the Path p_delay is multi-path channel the power of the diameter db value)