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Vectors basis

  1. Sep 26, 2005 #1
    I am not sure if a vector e=(0,1) is a basis in R^2.

    Can it give an expantion to vector u:


    u2=a ?
  2. jcsd
  3. Sep 27, 2005 #2
    I got it. It a was a stupid question.
  4. Sep 27, 2005 #3


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    Science Advisor

    R2 is "2 dimensional" and so requires 2 vectors for a basis.
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