Eigenvalues, eigenvectors, and eigenspaces of linear ...
mathcs.clarku.edu › ~djoyce › ma1301-eigenspace. We need to solve Ax = 1x. That’s the same as solving (A 1I)x = 0. The matrix A 1Iis 2 4 0 0 0 3 2 0 3 2 1 3 5 which row reduces to 2 4 1 0 1 6 0 1 1 4 0 0 0 3 5 and from that we can read o the general solution (x;y;z) = (1 6 z; 1 4 z;z) where z is arbitrary. That’s the one-dimensional 1-eigenspace (which consists of the xed points of the transformation).
eigenspace - PlanetMath.org
https://planetmath.org/eigenspaceFrom this matrix, it is easy to see that pT(x)=(x-1)2is the characteristic polynomial of Tand 1is the only eigenvalue of Twith m1=2. Also, it is not hard to see that T(x,y)=(x,y)only when y=0. So W1is a one-dimensional subspace of ℝ2generated by (1,0). As a …