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kd树的结构和分析及其源代码的程序使用matlab(kd tree structure and analytical procedures used and its source code matlab)

豪斯霍尔德QR分解及回代MATLAB代码，并用该方法解决线性方程组的实例(Howard Hopper QR decomposition and back substitution de MATLAB code, and use this solution to an instance of linear equations)

主要介绍了正交振幅调制的相关知识，包括如何识别(Mainly introduced the quadrature amplitude modulation related knowledge, including how to identify)

matlab的S函数例程，是关于滑模变结构的(S function matlab routines, is about Sliding Mode Variable Structure)

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说明：  matlab的学习软件，名牌大学教授的课件。能够帮助你学习MATLAB(Matlab learning software designer university professors courseware. To help you learn MATLAB)

说明：  reyleigh信道模型，该模型介绍了6种不同的建模方式，以及检测信道正确与否的方法，包括单径和多经(reyleigh channel model, the model introduced six different modeling methods, and detection Channel correct methods, including single-and multi-Drive by)

对边界进行二次取样源码，用canny等算法提取一次边界后，点数过多，不利于描述形状，用这个代码可以实现二次取样。(The boundary of second sampling source, such as canny extraction algorithm with a boundary, too many points, which describe the shape, use this code can realize the second sampling.)

关于最优化算法的Matlab仿真程序，最速下降法与牛顿法。(Optimization algorithm Matlab simulation program, the steepest descent method and Newton method.)

根据光伏电池数学模型所建立的Simulink光伏电池仿真模块，可设定光照强度、短路电流、开路电压、最大功率点电流与电压等参数。(According to the mathematical model of photovoltaic cell, the simulation module of Simulink is built, which can set the parameters such as light intensity, short circuit current, open circuit voltage, maximum power point current and voltage.)