Practice Array operations - 3.1 | 3. Array operations and Linear equations | IT Workshop (Sci Lab/MATLAB)
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3.1 - Array operations

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the operator .* do in MATLAB?

πŸ’‘ 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?

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

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

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

  • Element-wise multiplication
  • Element-wise division
  • Matrix multiplication

πŸ’‘ 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

πŸ’‘ Hint: Think about how addition works for matrices in MATLAB.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

πŸ’‘ Hint: Make sure to compute separately for each operator.

Question 2

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.

πŸ’‘ Hint: What will happen if you try to divide by zero?

Challenge and get performance evaluation