﻿功能:位运算之与运算

格式:And(a,b)

a:矩阵或者指定的数据
b:矩阵或者指定的数据

说明:对a、b进行与运算,运算时先将数据转换成长整数(Long)类型再进行计算

例子:

a =
[ 81.0000000000000    65.0000000000000    67.0000000000000    14.0000000000000
  43.0000000000000    74.0000000000000    22.0000000000000    37.0000000000000
  55.0000000000000    26.0000000000000    37.0000000000000    89.0000000000000
  15.0000000000000    98.0000000000000    59.0000000000000    30.0000000000000 ]

b=And(a,4)//回车得到如下结果
b =
[ 0.00000000000000    0.00000000000000    0.00000000000000    4.00000000000000
  0.00000000000000    0.00000000000000    4.00000000000000    4.00000000000000
  4.00000000000000    0.00000000000000    4.00000000000000    0.00000000000000
  4.00000000000000    0.00000000000000    0.00000000000000    4.00000000000000 ]