study how to prove vector space theorem 3 !!!
fourier series
matrix
logic
summary
groups and fields
vector spaces, combinations, span, independence
basis, dimension
inner product
gram-schmidt orthogonalization
transformations, nullity, kernel
linear functionals, dual space
matrix representation of transformations
eigen, characteristic, minimal polynomial
diagonalization of matrices
qr factorization, quadratic forms
svd factorization
norms, spectral radius