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Identify the error in this MATLAB code snippet:

medium📝 Debug Q14 of 15
MATLAB - Linear Algebra
Identify the error in this MATLAB code snippet:
A = [1 2 3; 4 5 6];
B = A';
C = B(1,3);
ANo error; code runs correctly.
BIndexing error: B(1,3) is out of bounds after transpose.
CMatrix A is not defined properly.
DSyntax error: transpose operator used incorrectly.
Step-by-Step Solution
Solution:
  1. Step 1: Analyze matrix A size

    A is 2 rows by 3 columns.
  2. Step 2: Transpose matrix A

    After transpose, B is 3 rows by 2 columns.
  3. Step 3: Check indexing B(1,3)

    Since B has only 2 columns, B(1,3) is out of bounds and will cause an error.
  4. Final Answer:

    Indexing error: B(1,3) is out of bounds after transpose. -> Option B
  5. Quick Check:

    Check matrix size before indexing [OK]
Quick Trick: Check matrix size after transpose before indexing [OK]
Common Mistakes:
  • Assuming size stays same after transpose
  • Ignoring column count when indexing
  • Confusing row and column indices

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