Problem 1671. Generate the Matrix!

a = [ n  n-1 n-2 ... 2 1;
     n-1 n-1 n-2 ... 2 1;
     n-2 n-2 n-2 ... 2 1;
      .   .   .   .  . .;
      .   .   .   .  . .;
      .   .   .   .  . .;
      2   2   2  ... 2 1;
      1   1   1  ... 1 1]

Solution Comments

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