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how to stop from running a program whenever any of the element become zero or gets negative?

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suchismita
suchismita 2014-5-10
评论： suchismita 2014-5-11
i have a matrix A=rand(m,n); B=1-A; so when B is running in a loop for 100 times i want to end the matrix once any of the element of B becomes zero.
plz plz help me....

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采纳的回答

Sara
Sara 2014-5-10
If you want to exit the loop, you can do:
if(ismember(0,B))
break
end
If there is code after the loop, that part will be executed though. Do you have code after the loop that you do NOT want to execute?

更多回答（1 个）

Star Strider
Star Strider 2014-5-10
Use the any and break functions.
Example:
for k1 = 1:100
A = rand(10);
B = 1-A;
if any(B == 0)
k1
break
end
end

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