Pick a value from random matrix

I have a 1x5 matrix with the same value.but the value in the matrix is ​​random, and it changes every time i run (not fixed value). I want to make a new variable to store a value from the matrix. can you help me please? example

A=[z,z,z,z,z] (random)

B=z

Answer 1

[Mehmed Saad]

if you always want the same value from a random generator check the following link

https://in.mathworks.com/help/matlab/ref/rng.html

otherwise suppose you have 10 iteration and want to store 10 different random numbers in B then

B = zeros(1,10);
for i =1:10
    z = rand(1);
    A = [z z z z z];%you can use A = repmat(z,1,5);
    B(i) = z;
end