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  1. x = ones(4,4);
  2. y = rand(4,4);
  3. z = zeros(size(x,1)+size(y,1),size(x,2));
  4. z(1:2:end,:) = x;
  5. z(2:2:end,:) = y;
  6. z
Success #stdin #stdout 0.19s 65080KB
comments (?)
stdin 
Standard input is empty
stdout 
z =

   1.000000   1.000000   1.000000   1.000000
   0.389348   0.320156   0.125702   0.015243
   1.000000   1.000000   1.000000   1.000000
   0.223243   0.774083   0.147908   0.107557
   1.000000   1.000000   1.000000   1.000000
   0.869117   0.815908   0.445111   0.932616
   1.000000   1.000000   1.000000   1.000000
   0.318075   0.292369   0.258308   0.814115
https://ideone.com/RVgmYA
language:
Octave (octave 4.4.1)
created:
11 years ago
visibility:
public

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