Seeming inconsistencies with "Eigenfunction"
13571
Eigenvalues broken in Version 12.0
149923
eigenvalues of A - aI in terms of eigenvalues of A
85455
Does Eigenvalues evaluate in a parallelized way?
59235
Finding eigenvalues of a differential operator
125802
Why is EigenValues returning Root expressions?
26945
Eigenvector Anomaly
28160
Phase plots of solutions for repeated eigenvalues
102317
Is there a geometrical interpretation to the notion of eigenvector and eigenvalues?
81502
Getting different output from seemingly identical calculations
108132
How Do I Compute the Eigenvalues of a Small Matrix?
152781
Chain rule for multivariable functions confusion
49158
Multiplicity of eigenvalues
52260
Diagonalization and eigenvalues
43277
Confused by (apparent) inconsistent precision
151594
Systems of linear differential equations - eigenvectors
115100
Operator Ordering Ambiguities
19649
A question about the proof of "a symmetric matrix has real eigenvalues".