将一维数组装换为二位数组的简单方法. 省去了自己来转换的麻烦-chang 1 array to 2

Vc++6.0在数据分析方面计算一维数据组的数组特征（方差，均值，分为点等）-Vc++ 6.0 in the data analysis of the calculation of one-dimensional array of data sets characteristics (variance, mean, divided into points, etc.)