3.1 - Array operations
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Practice Questions
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What does the operator .* do in MATLAB?
💡 Hint: Think about how multiplication differs between matrices and array operations.
If A = [2, 4] and B = [1, 2], what will A ./ B be?
💡 Hint: Remember element-wise division uses the '/' operator with a dot.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the operator './' do in MATLAB?
💡 Hint: Remember the dot indicates an element-wise operation.
True or False: The operation A + B where A and B are matrices is an array operation.
💡 Hint: Think about how addition works for matrices in MATLAB.
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Challenge Problems
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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.
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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