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Find the error in this MATLAB code snippet:

medium📝 Debug Q7 of 15
MATLAB - String Handling
Find the error in this MATLAB code snippet:
charArr = 'Hello';
newStr = charArr + " World";
ACannot add char array and string directly
BMissing semicolon after assignment
CcharArr should be a string, not char array
DNo error; code runs fine
Step-by-Step Solution
Solution:
  1. Step 1: Understand data types involved

    charArr is a character array, and " World" is a string.
  2. Step 2: Check operation compatibility

    You cannot add a char array and a string directly; MATLAB throws an error.
  3. Final Answer:

    Cannot add char array and string directly -> Option A
  4. Quick Check:

    Mixing char array and string with + causes error [OK]
Quick Trick: Do not mix char arrays and strings in operations [OK]
Common Mistakes:
  • Assuming + works between char array and string
  • Ignoring data type mismatch
  • Thinking semicolon causes error

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