Results 1 to 6 of 6
Like Tree1Thanks
  • 1 Post By Plato

Math Help - matrix multiplication

  1. #1
    Super Member
    Joined
    Sep 2008
    Posts
    619

    matrix multiplication

     \begin{pmatrix} 2&1\\-4&0\\-3&2\end{pmatrix} \begin{pmatrix} 2 \\ 3 \end{pmatrix} = \begin{pmatrix} 7\\-8\\0 \end{pmatrix}


    is this correct ?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,956
    Thanks
    1780
    Awards
    1

    Re: matrix multiplication

    Quote Originally Posted by Tweety View Post
     \begin{pmatrix} 2&1\\-4&0\\-3&2\end{pmatrix} \begin{pmatrix} 2 \\ 3 \end{pmatrix} = \begin{pmatrix} 7\\{\color{red}-8}\\0 \end{pmatrix}

    is this correct ?
    No it is not. Try again.
    Thanks from Tweety
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Super Member
    Joined
    Sep 2008
    Posts
    619

    Re: matrix multiplication

    what part is wrong ? -8? -4x2 + 3x0 = -8?
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,956
    Thanks
    1780
    Awards
    1

    Re: matrix multiplication

    Quote Originally Posted by Tweety View Post
    what part is wrong ? -8? -4x2 + 3x0 = -8?
    You are correct. Sorry for the mistake.
    Follow Math Help Forum on Facebook and Google+

  5. #5
    MHF Contributor
    Prove It's Avatar
    Joined
    Aug 2008
    Posts
    11,829
    Thanks
    1602

    Re: matrix multiplication

    The OP's answer is correct.
    Follow Math Help Forum on Facebook and Google+

  6. #6
    Newbie REDnight's Avatar
    Joined
    Jan 2014
    From
    Paris
    Posts
    10
    Thanks
    2

    Re: matrix multiplication

    yes it is correct
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 1
    Last Post: October 25th 2012, 05:19 AM
  2. [SOLVED] Matrix Notation and Matrix Multiplication
    Posted in the Advanced Algebra Forum
    Replies: 7
    Last Post: February 11th 2011, 04:57 AM
  3. Matrix Multiplication
    Posted in the Advanced Algebra Forum
    Replies: 3
    Last Post: January 12th 2011, 04:39 AM
  4. Matrix multiplication.
    Posted in the Advanced Algebra Forum
    Replies: 10
    Last Post: November 2nd 2010, 08:38 AM
  5. multiplication of two matrix
    Posted in the Algebra Forum
    Replies: 4
    Last Post: January 19th 2010, 02:53 PM

Search Tags


/mathhelpforum @mathhelpforum