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Could anyone help me how to generate the matrix in the following manner as described below

2 vues (au cours des 30 derniers jours)
I want to generate a matrix of size
(1500x1)
in which first 100 rows should be having the value of 1, next 200 rows should be having the value of 1 and 2 arranged randomly, next 300 should be having the value of 1,2 and 3 arranged randomly, next 400 rows should be having the value of 1,2,3 and 4 arranged randomly and next 500 rows should be having the value of 1,2,3, 4 and 5 arranged randomly.
Could anyone please help me on this.

Réponse acceptée

Bruno Luong
Bruno Luong le 4 Août 2021
Modifié(e) : Bruno Luong le 4 Août 2021
hi=repelem((1:5)',100*(1:5));
r=ceil(rand(size(hi)).*hi)

Plus de réponses (2)

Vignesh Murugavel
Vignesh Murugavel le 4 Août 2021
This should do it.
m1 = ones([100,1]);
m2 = randi([1 2],200,1);
m3 = randi([1 3],300,1);
m4 = randi([1 4],400,1);
m5 = randi([1 5],500,1);
Ans = [m1 ; m2;m3;m4;m5];

Rik
Rik le 4 Août 2021
Modifié(e) : Rik le 4 Août 2021
data=cell(5,1);
for n=1:numel(data)
data{n}=randi([1 n],n*100,1);
end
data=cell2mat(data);
size(data)
ans = 1×2
1500 1

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