envelope

用于判别分析的fisher判别分析，由谢中华老师编写的源程序(Discriminant analysis)

用改进的粒子群算法对基于非对角MAC矩阵元素均值最小目标函数为目标函数，以简支梁前三阶模态振型为原始数据对简支梁进行传感器优化布置。(The objective function based on the average minimum objective function of the non-diagonal MAC matrix elements is studied by the improved particle swarm algorithm.)

说明：  matlab软件的使用的基础知识4，关于函数与方程（包括多项式、函数零点、函数极值，最小二乘你和）(matlab software using the basic knowledge of 4, on the function and equations (including polynomials, function zero, extremal functions, least squares and you))

Matrix Cook Book. Deriving matrixed etc Useful for various mathematical needs

说明：  这是一个三维画图程序源代码，主要是进行三维网格剖分(It is a three-dimensional drawing program source code, mainly for three-dimensional mesh generation)

等高线作图的全部做法，特别适合matlab的初学者使用，基本上全覆盖了(Contour mapping approach, especially for Matlab for beginners to use, basically covering all)

应用比较好的liblinear软件程序包(Application the better liblinear software package)

用matlabe对于sobel算子，进行模式实现，能取得明显的边缘检测效果！(Matlabe for using sobel operator, to carry out mode, can achieve a clear effect of edge detection!)

HI MATLAB CODE FOR BCH AND TURBO

五点差分法代码，可以自动运行的，可以试试(Five-point difference method code, can automatically run, you can try)