Implement a function that calculates 1D Discrete Cosine Transform (DCT-II) for each row of a given input matrix so that the outputs are in columns.

For example:

Input:

[1 0 0 0]

Gives:

mydct([1 0 0 0])
ans =
          0.5
      0.65328
          0.5
       0.2706
Solve

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Last Solution submitted on Jan 20, 2026

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George Berken ChrisR David Hill Christian Schröder

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