[Solved] Identify the error in this MATLAB code snippet:str = 'Hello';newStr = strcat(str, 123); — Ans: Cannot concatenate string with number directly | MATLAB

MATLAB - String Handling

Identify the error in this MATLAB code snippet:

str = 'Hello';
newStr = strcat(str, 123);

ACannot concatenate string with number directly

BMissing semicolon after first line

Cstrcat requires cell arrays, not strings

DNo error, code runs fine

Step-by-Step Solution

Solution:

Step 1: Check strcat input types
strcat expects string inputs; 123 is numeric and cannot be concatenated directly.
Step 2: Identify the error cause
To concatenate, convert number to string first using num2str.
Final Answer:
Cannot concatenate string with number directly -> Option A
Quick Check:
strcat inputs must be strings [OK]

Quick Trick: Convert numbers to strings before concatenation [OK]

Common Mistakes:

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