Practice Cartesian - 9.1 | Partial Differential Equations | Mathematics III (PDE, Probability & Statistics)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the Laplacian operator in Cartesian coordinates?

πŸ’‘ Hint: Think about the second derivatives.

Question 2

Easy

List one application of the Laplacian operator.

πŸ’‘ Hint: Consider physical phenomena like temperature changes.

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 Laplacian operator measure?

  • Rate of heat flow
  • Curvature of a function
  • Slope of a line

πŸ’‘ Hint: Consider the role of second derivatives.

Question 2

In Cartesian coordinates, what is the formula for the Laplacian operator?

  • True: \\( \\nabla^2 u = \\frac{\\partial^2 u}{\\partial x^2} + \\frac{\\partial^2 u}{\\partial y^2} \\)
  • False

πŸ’‘ Hint: Recall the formula presented in class.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given the function \( u(x, y) = 4x^2 - 3y^2 \), find the Laplacian.

πŸ’‘ Hint: Differentiate twice with respect to x and y.

Question 2

Using the Laplacian operator, determine the curvature of the function \( u(x, y) = e^{-|x|} + e^{-|y|} \).

πŸ’‘ Hint: Remember to apply the chain rule accurately for absolute values.

Challenge and get performance evaluation