Zusammenfassung https://www.geogebra.org/m/upUZg79r
A:= {{0,1},{1,0}}
Eigenwerte
\(\left(\begin{array}{rrrr}λ=&-1&\left(\begin{array}{rr}1&1\\1&1\\\end{array}\right)&\left(\begin{array}{r}x1\\x2\\\end{array}\right) = 0\\λ=&1&\left(\begin{array}{rr}-1&1\\1&-1\\\end{array}\right)&\left(\begin{array}{r}x1\\x2\\\end{array}\right) = 0\\\end{array}\right)\)
und Eigenvektoren
\(T \, := \, \left(\begin{array}{rr}-1&1\\1&1\\\end{array}\right)\)
T-1 A T = \(D \, := \, \left(\begin{array}{rr}-1&0\\0&1\\\end{array}\right)\)