MATLAB Arithmetic Operators

➕➖✖️➗ MATLAB Arithmetic Operators

MATLAB is developed by MathWorks.

🔹 List of MATLAB Arithmetic Operators

🧪 Examples with Output

1️⃣ Addition (+)

Output

2️⃣ Subtraction (-)

Output

3️⃣ Multiplication (*)

Output

📌 This is matrix multiplication.

4️⃣ Division (/)

Output

5️⃣ Left Division (\)

Output

📌 Used to solve linear equations.

6️⃣ Element-wise Multiplication (.*)

Output

7️⃣ Element-wise Division (./)

Output

8️⃣ Power Operator (^ and .^)

🔸 Scalar Power

Output

🔸 Element-wise Power

Output

⚠️ Important Notes

• Use *, /, ^ for matrix operations

• Use .*, ./, .^ for element-wise operations

• Matrix dimensions must be compatible

🎯 Interview Questions: MATLAB Arithmetic Operators

🔹 Q1. What is the difference between * and .*?

Answer:
* performs matrix multiplication, while .* performs element-wise multiplication.

🔹 Q2. Difference between / and ./?

Answer:
/ is matrix right division, ./ is element-wise division.

🔹 Q3. What does \ operator do?

Answer:
Solves linear equations (A \ B).

🔹 Q4. Difference between ^ and .^?

Answer:
^ is matrix power, .^ is element-wise power.

🔹 Q5. Can arithmetic operators be used on vectors?

Answer:
Yes, using element-wise operators.

🔹 Q6. What happens if matrix dimensions don’t match?

Answer:
MATLAB gives a dimension mismatch error.

✅ Summary Table