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+---
+title: "MDCT Step-by-Step Calculation"
+contributor: "@mvel20342@gmail.com"
+tags: #general, #mvel20342gmailcom
+---
+
+Implement MDCT for the input sequence:
+
+x(n) = [1, 2, 3, 4]
+
+Steps:
+1. Identify N and 2N
+2. Apply MDCT formula
+3. Show cosine values clearly
+4. Display step-by-step calculation table
+5. Give final coefficients