1. Sep 26, 2005 #1

   sibiryk

   

   I am not sure if a vector e=(0,1) is a basis in R^2.
   
   Can it give an expantion to vector u:
   
   u=a(0,1)
   
   u1=0
   u2=a ?

    

   sibiryk, Sep 26, 2005
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3. Sep 27, 2005 #2

   sibiryk

   

   I got it. It a was a stupid question.

    

   sibiryk, Sep 27, 2005
4. Sep 27, 2005 #3

   HallsofIvy

   

   Science Advisor

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

    

   HallsofIvy, Sep 27, 2005

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