Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Brandie

write in matrix form: x'=y, y'=x+4 my teacher has not gone over this, I need help

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    what is matrix form?

    • 2 years ago
  2. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    some sort of subject that this pertains to would help out as well

    • 2 years ago
  3. Brandie
    Best Response
    You've already chosen the best response.
    Medals 0

    I am working with differential equations

    • 2 years ago
  4. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    diffy qs, thats a start :)

    • 2 years ago
  5. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    and is this the start of a problem or like midways thru?

    • 2 years ago
  6. Brandie
    Best Response
    You've already chosen the best response.
    Medals 0

    does x'=Ax+b help?

    • 2 years ago
  7. Brandie
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry, full question: write each system of differential equations in matrix form, i.e. x'=Ax+b

    • 2 years ago
  8. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    let me look that up to see if im familiar with it by another name ...

    • 2 years ago
  9. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    this looks useful http://tutorial.math.lamar.edu/Classes/DE/SystemsDE.aspx

    • 2 years ago
  10. Brandie
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah, its actually helping me on other questions, but not this one. But thanks. :)

    • 2 years ago
  11. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    is your vector [x',y'] by chance?

    • 2 years ago
  12. Brandie
    Best Response
    You've already chosen the best response.
    Medals 0

    idk, a vector was not mentioned

    • 2 years ago
  13. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    x'=0x+y+0 y'=x+0y+4 \[\binom{x'}{y'}=\begin{pmatrix}0&1&0\\1&0&4 \end{pmatrix}\binom{x}{y}\] maybe

    • 2 years ago
  14. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    matrixes are vectors ...

    • 2 years ago
  15. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\binom{x'}{y'}=\begin{pmatrix}0&1\\1&0 \end{pmatrix}\binom{x}{y}+\binom{0}{4}\] maybe

    • 2 years ago
  16. Mr.Math
    Best Response
    You've already chosen the best response.
    Medals 1

    We have the system \(x'=0x+y \) \(y'=x+0y+4\). We can write this as: \({x' \choose y'}=\left[\begin{matrix}0 & 1 \\ 1 & 0\end{matrix}\right]{x\choose y}+{0\choose 4}.\)

    • 2 years ago
  17. amistre64
    Best Response
    You've already chosen the best response.
    Medals 1

    yay!! thats good enough for validation to me :)

    • 2 years ago
  18. Brandie
    Best Response
    You've already chosen the best response.
    Medals 0

    really? i thought it was more involved than that, cool. Thanks guys!

    • 2 years ago
  19. Mr.Math
    Best Response
    You've already chosen the best response.
    Medals 1

    Although I think it can be solved without finding any eigenvalues or eigenvectors.

    • 2 years ago
    • Attachments:

See more questions >>>

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.