Practice Solving linear equations - 3.2 | 3. Array operations and Linear equations | IT Workshop (Sci Lab/MATLAB)
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3.2 - Solving linear equations

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Write the equation in matrix form for the system: x + 2y = 3 and 3x + 4y = 7.

πŸ’‘ Hint: Identify coefficients for *A* and solutions for *b*.

Question 2

Easy

What is the matrix inverse of A = [1 2; 3 4]?

πŸ’‘ Hint: Remember to calculate the determinant to first check if the inverse exists.

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 Ax = b represent in linear algebra?

  • A system of equations
  • A single equation
  • A scalar product

πŸ’‘ Hint: Think about the relationship between A, x, and b.

Question 2

True or False: The backslash operator is less efficient than the matrix inverse in MATLAB.

  • True
  • False

πŸ’‘ Hint: Reflect on computational methods discussed in the session.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a nonlinear system represented in a non-standard format, convert it into a matrix form and identify if a matrix inverse is possible.

πŸ’‘ Hint: Focus on rearranging equations to isolate the coefficients.

Question 2

Using both methods (inverse and backslash), solve for x in the system: x + y = 4, 2y - x = 2. Compare the two solutions.

πŸ’‘ Hint: Keep track of how different computational methods yield the same result.

Challenge and get performance evaluation