MATLAB Logical Operators

🔗 MATLAB Logical Operators

They return logical values: true (1) or false (0).
MATLAB is developed by MathWorks.

🔹 List of MATLAB Logical Operators

🧪 Examples with Output

1️⃣ Logical AND (&)

Output

2️⃣ Logical OR (|)

Output

3️⃣ Logical NOT (~)

Output

4️⃣ Logical Operators with Conditions

Output

5️⃣ Logical Operators with Arrays

Output

6️⃣ Short-Circuit AND (&&)

Output

📌 Works only with scalar values.

7️⃣ Short-Circuit OR (||)

Output

🔄 Difference: & vs &&

🔄 Difference: | vs ||

| | | || |
|—|—|
| Element-wise | Scalar only |
| Used with arrays | Used in if/while |
| Evaluates all | Short-circuit |

🧠 Using Logical Operators in if Statement

Output

⚠️ Important Notes

• Logical operators return logical values

• Use &&, || in if and while

• Use &, | with arrays

• ~ negates the condition

🎯 Interview Questions: MATLAB Logical Operators

🔹 Q1. What are logical operators in MATLAB?

Answer: Operators used to combine or negate conditions.

🔹 Q2. Difference between & and &&?

Answer:
& is element-wise, && is short-circuit scalar AND.

🔹 Q3. Which operator negates a condition?

Answer: ~

🔹 Q4. Can logical operators work on arrays?

Answer: Yes, using & and |.

🔹 Q5. What does short-circuit mean?

Answer: MATLAB stops evaluating once result is known.

🔹 Q6. Which operators are recommended in if statements?

Answer: && and ||.

🔹 Q7. What is the output type of logical operators?

Answer: Logical (true or false).

✅ Summary

• Logical operators combine conditions

• Output is always logical

• Short-circuit operators improve performance

• Essential for decision making