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i wan to generate the random number between two number with condition

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RAVI
RAVI on 21 Jun 2020
Edited: Rik on 21 Jun 2020
i have this kind of code:-
mini=[2 0.2]; maxi=[20 10]; x=zeros(50,2);
for i= 1:var
x(:,i)=mini(i)+(maxi(i)-mini(i))*rand(50,1);
end
i want to generate the number which is 40% less than the number in the 1st coloum for example.
2-0.8,3-1.2,4-1.6,5-2,6-2.4,10-4,11-4.4,15-6,20-7.

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Accepted Answer

Thiago Henrique Gomes Lobato
Edited: Thiago Henrique Gomes Lobato on 21 Jun 2020
If your second column has values equal to 40% of the first, then they are not random. You can vectorize this in the following form:
VectorSize = 5;
mini=[2]; maxi=[20 ]; x=zeros(VectorSize,1);
x=mini+(maxi-mini)*rand(VectorSize,1);
% Generate extra columns
NofExtraCollums = 1;
x = x.*(0.4.^([0:NofExtraCollums]))
x(:,2)./x(:,1)
x =
18.4878 7.3951
2.0207 0.8083
10.3241 4.1296
9.6383 3.8553
10.2965 4.1186
ans =
0.4000
0.4000
0.4000
0.4000
0.4000

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