What will be the output of the following MATLAB code?

medium📝 Predict Output Q13 of 15

MATLAB - Cell Arrays and Structures

field = 'age';
S.(field) = 25;
disp(S.age);

Aage

BEmpty output

CError: Undefined field 'age'

D25

Step-by-Step Solution

Solution:

Step 1: Assign dynamic field
The variable field holds 'age'. Using S.(field) = 25; creates field 'age' with value 25 in structure S.
Step 2: Display the field value
disp(S.age); prints the value of field 'age', which is 25.
Final Answer:
25 -> Option D
Quick Check:
Dynamic field 'age' = 25 [OK]

Quick Trick: Dynamic field names create fields with variable keys [OK]

Common Mistakes:

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