MATLAB: How to save each loop data in consecutive rows

regexpreshapesplit

i need to store the each iteration values in consecutive rows.how it is possible in matlab?
   for i =1:3
    a=rand(3,2);
    b = reshape(a.',1,[]);
end
ex:
 i=1; b= 0.1174    0.4242    0.2967    0.5079    0.3188    0.0855
 i=2: b= 0.1174    0.4242    0.2967    0.5079    0.3188    0.0855
 i=3;  b= 0.9133    0.2619    0.7962    0.3354    0.0987    0.6797
output should be a variable(3*6)
   0.1174    0.4242    0.2967    0.5079    0.3188    0.0855
   0.1174    0.4242    0.2967    0.5079    0.3188    0.0855
   0.9133    0.2619    0.7962    0.3354    0.0987    0.6797

Best Answer

 b = zeros(3,2*3);
 for k = 1:3
   a = rand(3,2);
   b(k,:) = reshape(a.',1,[]);
 end
Note: Your output is 3 by 6, not 3 by 5.
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