Linear algebra
Important notes:
- basis and change of basis
- singular value decomposition and polar decomposition
- symmetric matrix
- Jordan canonical form of a matrix
- projections
- matrix diagonalization
- bilinear forms diagonalization
- block matrix determinant formula
- n-volume in an m-dimensional vector space
- Hermitian form, inner product and symplectic form relationship
- determinant
- trace
- common eigenvectors