MATLAB: Could anyone help me to solve the issue for the following code

increasing subsequently

code:
A=1:12
while ~isempty(A)
B=ceil(sqrt(randi([numel(A)])))
C=A(randsample(length(A),B))
[~,idx]=find(ismember(A,C))
A(idx)=[]
end
The above code executes. but the outcome of B need to be increased subsequently,which means for first time B=1,next B=2,B=3 until B does not satisfy the subsequent condition.When b does not satisfy the subsequent condition,then B needs to start second time from beginning in such a way again B=1,B=2,B=3.In second time as A is 12,B can be 1 but B cannot be 2,so B needs to be treated again as 1.Similarly i need to run the code when i Change the value of A to 24,36 and so on.Could anyone help me to solve the issue.

Best Answer

I think I understand what you mean. If I do, then the code below should work for you.
A=1:12;
B=0;
while ~isempty(A)
    B=B+1;
    if B>numel(A),B=1;end
    C=A(randsample(length(A),B));
    [~,idx]=find(ismember(A,C));
    A(idx)=[];
end
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