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Find the error in this MATLAB code snippet:

medium📝 Debug Q7 of 15
MATLAB - Cell Arrays and Structures
Find the error in this MATLAB code snippet:
c = {1, 2, 3};
c{5} = 5;
AError because index 4 is missing
BSyntax error due to missing semicolon
CNo error, MATLAB allows expanding cell arrays with gaps
DCannot assign to index 5 without initializing index 4
Step-by-Step Solution
Solution:
  1. Step 1: Understand cell array expansion rules

    MATLAB allows assigning to a higher index, creating empty cells in between.
  2. Step 2: Check if missing indices cause errors

    Missing index 4 is automatically filled with empty cells; no error occurs.
  3. Final Answer:

    No error, MATLAB allows expanding cell arrays with gaps -> Option C
  4. Quick Check:

    Cell arrays can expand with empty cells in between [OK]
Quick Trick: Cell arrays auto-fill missing cells when expanded [OK]
Common Mistakes:
  • Assuming gaps cause errors
  • Confusing cell arrays with numeric arrays
  • Expecting continuous indices only

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