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When to use RREF in finding Eigenvectors 
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#1
Dec1512, 11:35 PM

P: 38

Hi,
I have a quick question, when should one use RREF in finding eigvenvectors? I've read through some books and sometimes they use them and sometimes they do not. I'm sorry for such a potentially stupid question. Thanks, Zubin 


#2
Dec1612, 09:26 PM

P: 51

It could be that having one in the pivot position position makes it easier to write system in parametric vector form. Otherwise row echelon form would suffice.



#3
Dec1712, 08:06 AM

Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 39,503

Where did you find that "they sometimes use them"? The row reduced form of a matrix does NOT in general have the same eigenvalues as the original matrix so I do see how row reducing could help.



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