How to create zeros between ones in array

2014 6 30
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更新时间：2014 6 30
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hello,
anyone know a fast way to create zeros between ones in an array?
for example A = [0 0 0 1 1 1 1 0 0 0]
I want it to return B = [0 0 0 1 0 0 1 0 0 0]
I was thinking of doing a double for loop running from the left side and the right. If there is a better way, please let me know. Thanks in advance

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Azzi Abdelmalek
Azzi Abdelmalek 2014-6-30

0 个投票

A=[0 0 0 1 1 1 1 0 0 0]
AA=[0 A 0]
i1=strfind(AA,[0 1])+1
i2=strfind(AA,[1 0])-2
for k=1:numel(i1)
A(i1:i2)=0;
end
A

更多回答（1 个）

Andrei Bobrov
Andrei Bobrov 2014-6-30

0 个投票

B = zeros(size(A));
B([strfind([0 A],[0 1]),strfind([A 0],[1 0])]) = 1;

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