L28_A
10.2 Orthogonal families of functions
(1)Thm(Bessel's inequility)
(2)Thm(Parseval's thm)
(3)Definiton(Fourier's series)
L28_B
10.2 Orthogonal families of functions
(1)Property(innor product space)
L28_C
10.2 Orthogonal families of functions
(1)Example
10.3 Completeness and Convergence thm
(1)Exponential system
(2)Trigonomentric system
L28_D
10.3 Completeness and Convergence thm
(1)Property
(2)Remark