﻿功能:对每一列累加计数
 
格式:SumAddCol(x)
x:为矩阵变量
 
说明:函数返回一个和x同维数的矩阵变量.
 
例子:
 
x =
[ 4.00000000000000    4.00000000000000
  1.00000000000000    9.00000000000000
  7.00000000000000    6.00000000000000
  5.00000000000000    1.00000000000000 ]
y=SumAddCol(x)//回车得到如下结果
y =
[ 4.00000000000000    4.00000000000000
  5.00000000000000    13.0000000000000
  12.0000000000000    19.0000000000000
  17.0000000000000    20.0000000000000 ]