engineergirl14
Can someone help me with a linear algebra question?
Find eigenvalues and eigenvectors of the following matrix:
A=[ 2 1; 4 1]
Thanks!



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experimentX
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dw:1352989319912:dw

engineergirl14
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I was able to get that far, this eigen equation has complex roots, right?

experimentX
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yes

engineergirl14
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Could you help me find the roots? I'm not sure how to do it without a calculator or wolfram.

experimentX
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just plugin into Wolf


experimentX
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use those two eigen values to find eigen vectors

engineergirl14
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Thanks, I think I got it