Charecter to binary form

2013 1 30
1 个回答
回答已采纳
5 次查看（30 天）

0 个投票

I have a character A. I converted this into a binary form(say B). I need to perform some operations using B. While doing this I need to check whether the element B(1)=1 or 0.
For doing so, I write
if B(1)==1
But it doesn't work. It works when I written like this-
if B(1)=='1'
What is the reason? Please tell me...

2 个评论
显示 无 隐藏 无

Jurgen
Jurgen 2013-1-30
Apparently B is still a character array. Would help if you said how you converted it. Type whos B to see the type.
Jan
Jan 2013-1-30
I do not understand, what the "binary form" of a character is. Please post the corresponding Matlab code to clear the details.

请先登录，再进行评论。

请先登录，再回答此问题。

 采纳的回答

Oleg Komarov
Oleg Komarov 2013-1-30

0 个投票

You are comparing the char '1' with the numeric 1.
>> double('1')
ans =
49
as in the ASCII table.
You have to rescale '1' to 1:
'1'-'0' == 1
and in your case
B(1)-'0' == 1

更多回答（0 个）

类别

在 帮助中心 和 File Exchange 中查找有关 Data Type Conversion 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by