Linear Algebra: basis and matrices

  • Thread starter Shadowz
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  • #1
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Hi,

I have a question about linear transformation. So given a matrix A in the basis u (denoted as A_u). Now in another basis that I don't know, A_u becomes A_v.

How can I find v? (I know u, A_u and A_v).

Thank you very much,
 

Answers and Replies

  • #2
1,481
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You can't in general. For instance the identity matrix has in any basis the same form:

[tex](I_u)_{ij}=(I_v)_{ij}=\delta_{ij}.[/tex]
 

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