You have a structure array students with fields name and score. How do you create a new structure passed containing only students with score >= 50?

hard📝 Application Q15 of 15

MATLAB - Cell Arrays and Structures

You have a structure array students with fields name and score. How do you create a new structure passed containing only students with score >= 50?

Apassed = students([students.score] >= 50);

Bpassed = struct('name', students.name, 'score', students.score >= 50);

Cpassed = students.score >= 50;

Dpassed = students{students.score >= 50};

Step-by-Step Solution

Solution:

Step 1: Understand structure arrays and logical indexing
In MATLAB, [students.score] creates an array of scores. Logical indexing selects elements where condition is true.
Step 2: Apply logical indexing to filter students
The expression students([students.score] >= 50) selects only students with scores 50 or above.
Final Answer:
passed = students([students.score] >= 50); -> Option A
Quick Check:
Use logical indexing on structure arrays [OK]

Quick Trick: Use logical indexing with [struct.field] to filter arrays [OK]

Common Mistakes:

Trying to assign logical array directly
Using curly braces instead of parentheses
Creating new struct without filtering

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More MATLAB Quizzes

You have a structure array students with fields name and score. How do you create a new structure passed containing only students with score >= 50?

Step 1: Understand structure arrays and logical indexing

Step 2: Apply logical indexing to filter students

Final Answer:

Quick Check:

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