# eigenvalues

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• Apr 25th 2010, 03:22 PM
aishley07
eigenvalues
find the eigenvalues of the linear transfromation L:R^2x2-->R^2x2 defined by L(A)=A^T + A

i get the whole obtaining eigenvalue process but i'm not sure how to get the matrix of linear transformation? help please
• Apr 25th 2010, 03:30 PM
pickslides
Were you given $A$ or do you have to find eigenvalues from a general sense?
• Apr 25th 2010, 03:39 PM
aishley07
general sense
• Apr 26th 2010, 02:45 AM
pickslides
Ok, make $A = \left(\begin{array}{cc}a&b\\c&d\end{array}\right)$

Now can you find $A^T$ ?