how to generate complex random matrix without repetation in matlab?

complex matrix should not repeat .

[Akira Agata]

Could you tell us more details? What do you mean by 'not repeat' ?

The following code can generate 2-by-4 complex random matrix. Is this what you want to do?

cMatrix = rand(2,4) + i*rand(2,4);

[Tran Hoang Nam]

And how to generate complex random matrix with rank-deficient?

[Walter Roberson]

N = 5;
cMatrix = complex(rand(N, N), rand(N,N));
idx = randperm(N,3);
cMatrix(idx(1),:) = cMatrix(idx(2),:) + rand * cMatrix(idx(3),:);

rank(cMatrix)

ans = 4

disp(cMatrix)

   0.2452 + 0.6041i   0.1954 + 0.2729i   0.4483 + 0.6054i   0.0907 + 0.2403i   0.2480 + 0.6074i
   0.0290 + 0.4051i   0.5763 + 0.3506i   0.3528 + 0.3226i   0.2180 + 0.6163i   0.7613 + 0.3637i
   0.8655 + 0.3843i   0.6502 + 0.7220i   0.9093 + 0.6618i   0.4900 + 0.0811i   0.8434 + 0.7145i
   0.0805 + 0.3709i   0.6707 + 0.9697i   0.8185 + 0.5859i   0.1826 + 0.7029i   0.2527 + 0.0011i
   0.3133 + 0.9175i   0.7620 + 1.0921i   1.1399 + 1.1004i   0.2450 + 0.8342i   0.4615 + 0.6083i