Given a input matrix x, multiply all odd values by 3. Even values remain the same.

example:

 x = [1 2 3 4 5;...
      6 7 8 9 10];

then y should be:

 y = [3 2 9 4 15;...
      6 21 8 27 10];
Solve

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Last Solution submitted on Dec 25, 2025

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Zaid Al-Dailami Riccardo G. Armando Longobardi qiushui

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