﻿功能:对矩阵里的数据按列进行反排列

格式:ReverseCol(a)

说明:a是矩阵变量,函数执行完毕把a里的数据按列取出来反排序.

例子:

x =
[ 9.00000000000000    7.00000000000000    2.00000000000000    4.00000000000000
  5.00000000000000    1.00000000000000    9.00000000000000    10.0000000000000
  9.00000000000000    5.00000000000000    8.00000000000000    6.00000000000000
  2.00000000000000    2.00000000000000    3.00000000000000    6.00000000000000
  8.00000000000000    4.00000000000000    8.00000000000000    3.00000000000000
  8.00000000000000    6.00000000000000    5.00000000000000    7.00000000000000 ]
y=ReverseCol(x)//执行命令得到如下结果
y =
[ 8.00000000000000    6.00000000000000    5.00000000000000    7.00000000000000
  8.00000000000000    4.00000000000000    8.00000000000000    3.00000000000000
  2.00000000000000    2.00000000000000    3.00000000000000    6.00000000000000
  9.00000000000000    5.00000000000000    8.00000000000000    6.00000000000000
  5.00000000000000    1.00000000000000    9.00000000000000    10.0000000000000
  9.00000000000000    7.00000000000000    2.00000000000000    4.00000000000000 ]