Results 1 to 2 of 2

Math Help - Determine if the matrice are orthogonal

  1. #1
    Senior Member
    Joined
    Jan 2010
    Posts
    273

    Determine if the matrice are orthogonal

    Let A and B be orthogonal nxn matrices. Determine which of the following matrices are orthogonal. (Jusitify)

    1) A^{-1} 2) A - B
    If AC is also an orthogonal nxn matrix, must C be orthogonal?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Apr 2005
    Posts
    15,977
    Thanks
    1643
    What is the definition of "orthogonal matrix"? Can you use that?
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Determine wether 'u' is orthogonal to span(w)
    Posted in the Advanced Algebra Forum
    Replies: 2
    Last Post: November 25th 2010, 02:28 AM
  2. [SOLVED] Matrice Equation
    Posted in the Advanced Algebra Forum
    Replies: 6
    Last Post: October 13th 2010, 08:23 AM
  3. Matrice - Ax=b A^-1b =x
    Posted in the Advanced Algebra Forum
    Replies: 1
    Last Post: March 9th 2010, 06:46 PM
  4. matrice
    Posted in the Algebra Forum
    Replies: 0
    Last Post: February 28th 2010, 01:49 PM
  5. matrice 2
    Posted in the Algebra Forum
    Replies: 4
    Last Post: August 19th 2009, 05:38 AM

Search Tags


/mathhelpforum @mathhelpforum