A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Find the standard matrix of a linear transformation that maps a point (x,y,z) in 3 dimensional coordinate space XYZ to its projected point in XY coordinate plane followed by reflection across coordinate axis y.

  • This Question is Closed
  1. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[(x,y,z) \longrightarrow (x, y, 0) \longrightarrow (-x, y, 0) \]

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Wow was it really that easy? so the matrix would be: [-x] [ y] [0] right?

  3. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Nope, it should be a 3x3 matrix which maps (x, y, z) to (-x, y, 0)

  4. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Okay can you help me set up how to do that?

  5. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    try \[\begin{bmatrix} -1&0&0\\0&1&0\\0&0&0\end{bmatrix}\]

  6. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Okay thanks. I was way over thinking this problem!

  7. ganeshie8
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    np

  8. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.