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When used to mean force, its magnitude (a scalar quantity), often denoted by an italic letter W, is the product of the mass m of the object and the magnitude of the local gravitational acceleration g [3] thus: W = mg. When considered a vector, weight is often denoted by a bold letter W. The unit of measurement for weight is that of force, which in the International System of Units (SI) is the newton. For example, an object with a mass of one kilogram has a weight of about 9.8 newtons on the surface of the Earth, about one-sixth as much on the Moon, and very nearly zero when in deep space far away from all bodies imparting gravitational influence.

RRT算法是一种基于采样的规划算法,采用算法生成的相邻点之间的路径可以是经过运动学动力学仿真生成的可执行曲线,通过对状态空间中的采样点进行碰撞检测避免了对空间的建模,适合用来解决含有运动力学约束的路径规划问题.(RRT algorithm is a sampling-based planning algorithm, using path algorithm generated between adjacent points can be generated through the kinematics and dynamics simulation executable curve, through the state space of the sampling points to avoid the collision detection modeling of space, a suitable solution to contain the movement mechanics path planning constraints.)

this file is about beam forming with adaptive file

压缩包里是matlab三个著名工具箱的一些教程，包括gaot，BSheffield大学gatbs工具箱，matlab自带的gads，还有工具箱的安装方法。(Three well-known compression bag is matlab toolbox tutorials, including gaot, BSheffield University gatbs toolbox, matlab built-gads, there Toolbox installation.)

Introduction-to-Algorithms的相關電子檔(Introduction-to-Algorithms related to e-file)

说明：  粒子滤波代码，是用MATLAB实现的,可以参考(Particle filter code is the use of MATLAB to achieve, can refer to)

说明：  该函数可以实现在mimo信号传输时的波束矩阵，尽可以实现在线性接收机的情况下可以达到最大似然的性能，从而大大简化接收机的设计。(This function can be achieved when the signal transmission in mimo beam matrix can make the case of linear receiver can achieve the maximum likelihood performance, which greatly simplify the receiver design.)

Basic PSO ALGORITHM FOR OPTIMIZATION

matlab与C#混合编程的实例，全英文(Matlab and C# mixed programming examples)

说明：  模式识别PCA(principle component analysis)源码.matlab 格式。PCA为经典而且经常使用的算法。(pattern recognition PCA (principle component analysis) source. Matlab format. PCA to the classic and often use the algorithm.)