﻿功能:四舍五入

格式:Rounding(a)
a：为数据或者矩阵变量

说明:函数执行完毕返回对数据四舍五入的结果.注意,如果是负数,则等价于Rounding(a)=-Rounding(-a)

例子:

a =
[ 2.50000000000000    3.50000000000000    2.40000000000000    3.40000000000000
 -2.50000000000000   -3.50000000000000   -2.40000000000000   -3.40000000000000 ]

Rounding(a)//回车得到如下结果
ans =
[ 3.00000000000000    4.00000000000000    2.00000000000000    3.00000000000000
 -3.00000000000000   -4.00000000000000   -2.00000000000000   -3.00000000000000 ]