数理统计工具箱：计算均值、方差，参数估计，统计绘图函数等-Statistics Toolbox: Calculate the mean, variance, parameter estimation, statistical mapping function, such as

很常用matlab绘图函数 帮助您绘制大多数常见的matlab函数，很方便-Matlab drawing functions are used to help you draw the most common matlab function, it is convenient