Basis

How can I find expansion coefficients of the y vector in a given basis?
How do you find the basis of a vector?How do you determine if a set is a basis for R3?How do you determine if a set of vectors form a basis?How do yo...
DCT - Coefficients and Basis Function
What is basis function in DCT?What is DCT coefficients?What is the difference between DCT and FFT? What is basis function in DCT?The inverse DCT equ...
DFT as an Orthogonal Basis Change
Is DFT orthogonal?How do you change an orthogonal basis to an orthonormal basis?Is a change of basis matrix orthogonal?Is Fourier series an orthogona...
Basis signals for the discrete-time Fourier Series
What is basis of Fourier series?What is the basis of DFT?What is the formula for discrete-time Fourier series?What is a basis signal? What is basis ...
What are the criteria for a change-of-basis transform to be doable in $O(n \log(n))$?
What is the point of change of basis?Are change of basis matrices orthogonal?Is orthogonality preserved in change of basis? What is the point of cha...
Is the fundamental basis function of the DFT not an intregral number of cycles?
What is a basis function DFT?Is DFT is a periodic function?What is the difference between DFT and IDFT? What is a basis function DFT?DFT Basis Funct...
Why are the basis functions for DFT so?
What is basis function in DFT?What are basis functions of Fourier Transform?What is a basis function in signal processing?What is meant by basis func...
What the terms Basis functions and Orthogonal denote in case of signals?
What is orthogonal function in signals and systems?What are orthogonal basis functions?What is a basis function in signal processing?What does it mea...
Is there other basis possible for DFT?
What is the basis of DFT?Can DFT be complex?Is DCT The real part of DFT? What is the basis of DFT?The sine and cosine waves used in the DFT are comm...