Recent content by billli

  1. B

    Do sets of matrices form bases and span of vector spaces?

    Thanks for the reply Unco! from matlab: http://img156.imageshack.us/img156/582/set.jpg so P(x) belongs to the span of S. as it has a unique solution.
  2. B

    Do sets of matrices form bases and span of vector spaces?

    http://img239.imageshack.us/img239/6250/picture2.png Sorry, but I do not know how to use Tex. And thanks for the tips! From this, a) does not form the basis, and for b) p(x) belongs to the span (not too sure about b) as it has a row of zeros)
  3. B

    Do sets of matrices form bases and span of vector spaces?

    Homework Statement http://img16.imageshack.us/img16/6606/50381320.jpg Homework Equations Please see above picture The Attempt at a Solution I believe for question a) I just need to add up all the matrices and then row reduce to RREF, which gives me: [1,0,0] [0,1,0] or Do I...
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