Preview of practice Array Operations (3.1) - Array operations and Linear equations
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Array operations

Practice - Array operations

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Practice Questions

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Question 1 Easy

What does the operator .* do in MATLAB?

💡 Hint: Think about how multiplication differs between matrices and array operations.

Question 2 Easy

If A = [2, 4] and B = [1, 2], what will A ./ B be?

💡 Hint: Remember element-wise division uses the '/' operator with a dot.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the operator './' do in MATLAB?

Element-wise multiplication
Element-wise division
Matrix multiplication

💡 Hint: Remember the dot indicates an element-wise operation.

Question 2

True or False: The operation A + B where A and B are matrices is an array operation.

True
False

💡 Hint: Think about how addition works for matrices in MATLAB.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given A = [3, 6; 9, 12] and B = [1, 2; 3, 4], calculate A .* B and A .^ 2 and explain the significance of each result in terms of element-wise operations and matrix mathematics.

💡 Hint: Make sure to compute separately for each operator.

Challenge 2 Hard

Consider A = [1, 1; 1, 1] and calculate B = A ./ [1,0; 0,1]. Discuss the possible error messages and how to handle division by zero in MATLAB.

💡 Hint: What will happen if you try to divide by zero?

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