NAbook_Aug_2008

人工产生swissroll数据集，方便一些降维方法的效果验证(Swissroll generate artificial data sets to facilitate some of the effects of dimensionality reduction methods to verify)

说明：  正常重力的仿真模型，内含正常重力计算公式，可模拟不同纬度的正常重力(Simulation model of normal gravity, containing normal gravity formula can simulate normal gravity in different latitudes)

适合MATLAB入门人员,包含语法说明，实例教程等，很详细的资料(MATLAB for entry personnel, including syntax descriptions, tutorials, examples, very detailed information)

new kernel fast Fourier transform

说明：  两个方向的二维主成分分析matlab算法(Two directions of two-dimensional principal component analysis algorithm matlab)

电磁场中的数值方法，本书包含所有的电磁场方面使用的数值方法，且有丰富的代码（FORTAN 和 C++），本书是英文版的(Electromagnetic field numerical methods, the book contains all of the numerical methods used in electric fields, and there is a wealth of code (FORTAN and C++), the book is in English)

函数用来对一个三维矩阵A，输出最大元素值的三维坐标值。(Function is used on a three-dimensional matrix A, the output value of the maximum element of three-dimensional coordinates.)

Steepest Descent matlab code

这是电机设计的程序，根据输入的电机功能要求，按照一定的计算将电机平稳运行时的特性计算出来（永磁同步）。(This is the motor design process, according to the motor function of input requirements, calculated in accordance with the characteristics of certain motor running smoothly calculated (permanent magnet synchronous).)

double_pendulum simulation in matlab