Why does following code don't give any output?
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for i =0.1:0.1:12
if(i==3)
fprintf('Hello\n')
end
end
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Rik
2022년 4월 13일
Because the number 3 doesn't exist in your array:
data=0.1:0.1:12;
[~,ind]=min(abs(data-3));
data(ind)
Now, that looks like 3, but let's investigate if it is exactly 3:
data(ind)-3
Close, but not exact. Since you used ==, Matlab will only give you the fprintf if the match is exact.
The solution is to use a tolerance.
for i =0.1:0.1:12
if abs(i-3)<(10*eps)
fprintf('Hello\n')
end
end
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