Zum Rechnen
https://www.geogebra.org/m/upUZg79r
\(\vdots\) Open in App
z.B.
A:={{1,3},{2,2}}
\(\lambda^{2} - 3 \; \lambda - 4 = 0\)
\(\small \left(\begin{array}{rrrr}λ=&-1&\left(\begin{array}{rr}2&3\\2&3\\\end{array}\right)&\left(\begin{array}{r}x1\\x2\\\end{array}\right) = 0\\λ=&4&\left(\begin{array}{rr}-3&3\\2&-2\\\end{array}\right)&\left(\begin{array}{r}x1\\x2\\\end{array}\right) = 0\\\end{array}\right)\)
\(\small EV \, := \, \left(\begin{array}{rr}\frac{-3}{2}&1\\1&1\\\end{array}\right)\)
usw...