Practice Matrix inverse - 3.2.1 | 3. Array operations and Linear equations | IT Workshop (Sci Lab/MATLAB)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the inverse of a 2x2 identity matrix?

💡 Hint: Consider what happens when you multiply it with itself.

Question 2

Easy

Can a matrix with a determinant of 0 have an inverse?

💡 Hint: Recall the definition of determinant and its significance.

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 is a requirement for a matrix to have an inverse?

  • The matrix must be square
  • The determinant must be zero
  • It has to be a 2x2 matrix

💡 Hint: Think about the shape of the matrix.

Question 2

True or False: The determinant of an invertible matrix is always positive.

  • True
  • False

💡 Hint: Remember, it's the value being non-zero that matters.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a 4x4 matrix B, calculate its inverse using MATLAB and discuss the implications of its determinant.

💡 Hint: Always check the determinant before proceeding with the inverse.

Question 2

Create a 3x3 matrix where you know its inverse should exist. Verify the calculation manually and using MATLAB.

💡 Hint: Double-check your calculations with MATLAB.

Challenge and get performance evaluation