MATLAB: Random integer numbers using random function

MATLABrandirandom number generator

Hi, I am trying to obtain 9 random integer numbers and want them to be appeared in this form

expectedoutpt = '989898989' '897676767'

any suggestion?

Best Answer

Something like:

function ri = rnum()
   ri = num2str(randi([1,9],1,9));
   ri = ri(~isspace(ri));
end

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x   = [1     2     3     4     5
6     7     8     9    10
11    12    13    14    15
16    17    18    19    20];

EDIT after Mohammad's coment

[m,n] = size(x);
df = bsxfun(@plus,fullfact(m*ones(1,n)),(0:n-1)*m);
k = randperm(size(df,1));
out = x(df(k(1:min(100,numel(k))),:));

[m,n] = size(x);
xc = mat2cell(x,m,ones(n,1));
cc = cell(1,n);
[cc{:}] = ndgrid(xc{:});
k = randperm(numel(cc{1}));
out =  cell2mat(cellfun(@(x)x(k(1:min(100,numel(k)))'),cc,'un',0));

MATLAB: Random numbers

help rand
doc rand

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