kmeans

讲述MATLAB与VC混合编程的一篇文章(About the mixed programming MATLAB and VC article)

编程,逆向及数据分析 编程逆向及数据分析. :数据分析的几个方面的经验总结.(Programming, reverse and data analysis 编程逆向及数据分析. Programming of reverse engineering and data analysis :数据分析的几个方面的经验总结. : data analysis of several aspects of the experience )

做了詞法分析器，不知道怎樣，希望有人給我提提意見(Done a lexical analyzer, I do not know how, I hope someone is going to give me make a suggestion)

说明：  matlab 解决最优化问题的教程。在科学研究和工程实践中经常遇到。(matlab solve the optimization problem of the course. In scientific research and engineering are often encountered in practice.)

不选主元的高斯消元法，用于求解线性方程组，很好用！基于c++编写。(Do not choose the principal component of the Gauss elimination method for solving linear equations, very good use! Prepared based on c++.)

基于matlab的电压电流双闭环的三相并网逆变器模型，采用电压外环及电流内环控制方式(Matlab-based dual-loop voltage and current three-phase grid-connected inverter model, the outer voltage loop and inner current loop control)

选主元的高斯消元法，用于求解线性方程组。很方便！基于c++开发。(Selected principal component of the Gaussian elimination method for solving linear equations. Very convenient! Based on c++ development.)

说明：  蒙特卡罗方法可以有效地解决复杂的工程问题，而MATLAB具有强大的数值计算功能。将二者结合使用，可以得到高效的解决问题的方法。本文阐述了该方法并通过实例验证了该方法的正确性和优越性。 (Monte Carlo method can effectively solve complex engineering problems, and MATLAB has powerful function of numerical calculation. The two in combination, can be cost-effective solution to the problem. This paper describes the methods and examples of the method to verify the correctness and superiority.)

For inverting a matrix, Gauss-Jordan elimination is about as efficient as any other method. For solving sets of linear equations, Gauss-Jordan elimination produces both the solution of the equations for one or more right-hand side vectors b, and also the matrix inverse A(-1). However, its principal weaknesses are (i) that it requires all the right-hand sides to be stored and manipulated at the same time, and (ii) that when the inverse matrix is not desired, Gauss-Jordan is three times slower than the best alternative technique for solving a single linear set.

FFT蝶形运算,C 语言,可有MATLAB M 语言转换实现(FFT butterfly computation, C language, MATLAB M language can be converted to achieve)