Let $A$ be a real $n\times n$ matrix, with ones in the diagonal, and all of the other elements equal to $r$ with $0 How can I prove that the eigenvalues of $A$ are $1+(n-1)r$ and $1-r$,
with multiplicity $n-1$?
Sunday, June 2, 2019
linear algebra - Find the eigenvalues of a matrix with ones in the diagonal, and all the other elements equal
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Can someone just explain to me the basic process of what is going on here? I understand everything until we start adding 1's then after ...
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