how to convert 1100111 to 1 1 0 0 1 1 1

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imola
imola 2015-6-26
编辑： Stephen23 2015-6-26
Dear All,
I need to convert a matrix of
a=[11100;10000;10101];
to
s=[1 1 1 0 0;1 0 0 0 0;1 0 1 0 1];
to convert s to a we use
char(s+'0');
but how form a to s. Thanks in advance for any help.
regards,
Imola

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采纳的回答

Adam
Adam 2015-6-26
s = arrayfun( @(x) str2double( x ), num2str( a ) )
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Stephen23
Stephen23 2015-6-26
编辑：Stephen23 2015-6-26
There is no need to use such complicated and slow code to solve this. For a much faster and simpler solution see my answer below.

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更多回答（2 个）

Stephen23
Stephen23 2015-6-26
编辑：Stephen23 2015-6-26
If a is a numeric column vector, then you can simply use num2str like this:
>> a = [11100;10000;10101]
>> s = num2str(a)-'0'
s =
1 1 1 0 0
1 0 0 0 0
1 0 1 0 1
If a is actually a character array, then simply do this:
>> a = ['11100';'10000';'10101']
>> s = a-'0'
s =
1 1 1 0 0
1 0 0 0 0
1 0 1 0 1
Azzi Abdelmalek
Azzi Abdelmalek 2015-6-26
a={'11100';'10000';'10101'}
out=cell2mat(cellfun(@(x) x-'0',a,'un',0))

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