How do I use the for loop to replace elements in an array?

8 次查看（过去 30 天）
Valentin Neme Gabriel
回答： Voss 2022-4-12
My array doesn't have any requirements.

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Voss
Voss 2022-4-12
Ran in:
array = randi(7,1,20);
disp(array);
4 3 3 5 7 7 7 6 1 5 7 4 1 6 5 1 2 4 2 7
% use a for loop to replace all the 4's in array with 19's:
for ii = 1:numel(array)
if array(ii) == 4
array(ii) = 19;
end
end
disp(array);
19 3 3 5 7 7 7 6 1 5 7 19 1 6 5 1 2 19 2 7

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