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control of a quadrotor using the linear quadratic regulator

This is a descriptive matlab code for a PC-2D with a square mesh.

说明：  许树柏著的层次分析法原理一书，非常经典，PDF 版(Xu Shubai the principle of AHP, a book is very classic, PDF version)

fbp 三维重建 基于压缩感知的计算机成像(san wei c jian)

Programming Exercise

本程序演示了衍射过程，对加深衍射的理解提供了很大的帮助，不过一般适用于远场衍射(diffraction program)

电压暂降线路故障仿真，其中分析是用小波分析的。(Fault simulation of voltage sags)

本源码目的在于查找一幅图像中个图形的重心，基于matlab，找出重心后标记出来，并显示。(The Source aims to find an image in a graphics core, based on matlab, after the marked identify the focus, and display.)

说明：  求解线性代数中矩阵的行列式、秩和行最简形(It is used for computing the detaminate, rank of Matrixs)

MATLAB中关于s函数的资料文件，恒润科技出品，国内唯一指定matlab官方资料出处，值得大家学习s函数参考，不多述，下之(MATLAB s function on the information paper, Hengrun technology produced, the only source of official information specified matlab, worth learning s function reference, not much above, under)