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  1. f = @(n, m) repmat(repelem(diag([1 1]), n, n), m);
  2. f(2, 3), f(3, 2)
Success #stdin #stdout 0.07s 47124KB
comments (?)
stdin 
Standard input is empty
stdout 
ans =

   1   1   0   0   1   1   0   0   1   1   0   0
   1   1   0   0   1   1   0   0   1   1   0   0
   0   0   1   1   0   0   1   1   0   0   1   1
   0   0   1   1   0   0   1   1   0   0   1   1
   1   1   0   0   1   1   0   0   1   1   0   0
   1   1   0   0   1   1   0   0   1   1   0   0
   0   0   1   1   0   0   1   1   0   0   1   1
   0   0   1   1   0   0   1   1   0   0   1   1
   1   1   0   0   1   1   0   0   1   1   0   0
   1   1   0   0   1   1   0   0   1   1   0   0
   0   0   1   1   0   0   1   1   0   0   1   1
   0   0   1   1   0   0   1   1   0   0   1   1

ans =

   1   1   1   0   0   0   1   1   1   0   0   0
   1   1   1   0   0   0   1   1   1   0   0   0
   1   1   1   0   0   0   1   1   1   0   0   0
   0   0   0   1   1   1   0   0   0   1   1   1
   0   0   0   1   1   1   0   0   0   1   1   1
   0   0   0   1   1   1   0   0   0   1   1   1
   1   1   1   0   0   0   1   1   1   0   0   0
   1   1   1   0   0   0   1   1   1   0   0   0
   1   1   1   0   0   0   1   1   1   0   0   0
   0   0   0   1   1   1   0   0   0   1   1   1
   0   0   0   1   1   1   0   0   0   1   1   1
   0   0   0   1   1   1   0   0   0   1   1   1
https://ideone.com/fqVsw2
language:
Octave (octave 4.4.1)
created:
149 days ago
visibility:
secret

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