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in a loop like go back

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Lev Mihailov
Lev Mihailov 2019-9-19
编辑： Matt J 2019-9-19
Hello! Now I use this loop
for i=1:length(data)
if a(i)<=1
a(i)=a(i-1)
end
end
but I was faced with the calculation that the zones of zero values ​​and they give me the wrong result
a(i)=a(i-1) % find(a)
what’s the best way to write, not a (i-1), but write a (i up to the first value that meets the if condition)

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回答（1 个）

Matt J
Matt J 2019-9-19
编辑：Matt J 2019-9-19
first=find(a<=1, 1);
a(1:first)

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