Results 1 to 5 of 5

Math Help - linear system (2)

  1. #1
    Super Member
    Joined
    Jun 2009
    From
    Africa
    Posts
    641

    Smile linear system (2)

    hi
    i need little help
    \left\{\begin{matrix}<br />
x+z+t=0\\ <br />
ax+y+(a-1)z+t=0\\ <br />
x-y+2z+at=0\\ <br />
2x+ay+z+2t=0<br />
\end{matrix}\right.
    thanks.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Apr 2005
    Posts
    16,201
    Thanks
    1789
    Quote Originally Posted by Raoh View Post
    hi
    i need little help
    \left\{\begin{matrix}<br />
x+z+t=0\\ <br />
ax+y+(a-1)z+t=0\\ <br />
x-y+2z+at=0\\ <br />
2x+ay+z+2t=0<br />
\end{matrix}\right.
    thanks.
    To do what? Solve the system of equations? Find the value of a such that these equations have a non-trival solution? That will happen if and only if the determinant is 0.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Super Member
    Joined
    Jun 2009
    From
    Africa
    Posts
    641

    Smile

    I arrived here,what should i do next ?
    \left\{\begin{matrix}<br />
x+z+t=0\\ <br />
y-z+t(1-a)=0\\ <br />
-t(1-a)=0<br />
\end{matrix}\right.
    thanks.
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor Drexel28's Avatar
    Joined
    Nov 2009
    From
    Berkeley, California
    Posts
    4,563
    Thanks
    21
    Quote Originally Posted by Raoh View Post
    I arrived here,what should i do next ?
    \left\{\begin{matrix}<br />
x+z+t=0\\ <br />
y-z+t(1-a)=0\\ <br />
-t(1-a)=0<br />
\end{matrix}\right.
    thanks.
    What? What's a variable and what's a constant?
    Follow Math Help Forum on Facebook and Google+

  5. #5
    Super Member
    Joined
    Jun 2009
    From
    Africa
    Posts
    641

    Smile

    t and a are parameters.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. NON-LINEAR SYSTEM of DE's Help please
    Posted in the Differential Equations Forum
    Replies: 0
    Last Post: March 9th 2010, 12:02 PM
  2. System non-linear ODE's
    Posted in the Differential Equations Forum
    Replies: 5
    Last Post: January 24th 2010, 11:34 AM
  3. linear system
    Posted in the Advanced Algebra Forum
    Replies: 5
    Last Post: November 1st 2009, 05:31 AM
  4. linear system
    Posted in the Algebra Forum
    Replies: 2
    Last Post: January 28th 2009, 09:17 AM
  5. linear system
    Posted in the Algebra Forum
    Replies: 2
    Last Post: April 28th 2008, 02:34 PM

Search Tags


/mathhelpforum @mathhelpforum