Eigen

Types

• Eigenvalue
• Eigenvector
• Eigenfunction
• Eigenstate

Resources

• Cool way to solve 2x2 matrices quickly: https://www.youtube.com/watch?v=e50Bj7jn9IQ
  • ${\lambda }_1,{\lambda }_2=m\pm \sqrt{m^2-p},m=\frac{1}{2}\mathrm{Tr}(A),p=\det (A)$