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How can I send the MATLAB data(using loop) to excel???

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Hello. I have a touble.
I can send the MATLAB single data to excel. I studied it by this website.
But, if when the data value changes because of the loop statement,
and then how can I accumulate the all data??
For example,
for i = 1:9
A1 = randi([1 30]);
A2 = randi([1 30]);
A3 = randi([1 30]);
i = i+1
According the loop runs, the value of A1, A2, A3 change.
I want to get an excel file like figure below, because I want to conduct sensitivity analysis by using the accumulated data.
If another method to conduct sensitivity analysis by MATLAB,
please, give me some advices.

Accepted Answer

Timo Dietz
Timo Dietz on 26 Jan 2021
rndMatrix = zeros(9, 4); % preallocation
for i = 1:9
rndMatrix(i, 1) = i; % i
rndMatrix(i, 2) = randi([1 30]); % A1
rndMatrix(i, 3) = randi([1 30]); % A2
rndMatrix(i, 4) = randi([1 30]); % A3
Now, rndMAtrix contains all data.

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