How do can I use every number in my loop?

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Dameon Solestro
Dameon Solestro 2021-11-24
回答： Walter Roberson 2021-11-24
So right now I have 3 groups of 5 x values(15 x values in total. How do I perform a loop where I use the values after I get the mean?? so how would i create a matrix such that . M= [x1-Mean_allx ; x2-Mean_allx ; x3-Mean_allx ;...... ; x15-Mean_allx] ?? Could it also be possible for the value to be Matrix to be averaged?
for j=1:3
for i=1:5
x(i,j)= rand()
hold on
end
hold on
h(j)=mean(x(:,j))
Mean_allx= mean(h)
end

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采纳的回答

Walter Roberson
Walter Roberson 2021-11-24
for j=1:3
for i=1:5
x(i,j)= rand()
end
h(j)=mean(x(:,j))
end
Mean_allx= mean(h)

更多回答（1 个）

the cyclist
the cyclist 2021-11-24
编辑：the cyclist 2021-11-24
% Set the random number seed, for reproducibility
rng default
% Create the x data
x = rand(3,5);
% Mean of all the x data
Mean_allx = mean(x,'all');
% Subtract the mean from the x data
x_minus_mean = x - Mean_allx;
  1 个评论
Dameon Solestro
Dameon Solestro 2021-11-24
I kind of need both i and j loops.. is there a way for this to still be possible??

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