In applied mathematics, a DFT matrix is an expression of a discrete Fourier transform (DFT) as a transformation matrix, which can be applied to a signal through matrix multiplication.
In applied mathematics, a DFT matrix is an expression of a discrete Fourier transform (DFT) as a transformation matrix, which can be applied to a signal through matrix multiplication. (en)
La matrice di Fourier è una matrice complessa simmetrica del tipo di Vandermonde che esprime in forma matriciale la trasformata discreta di Fourier (DFT). (it)
In applied mathematics, a DFT matrix is an expression of a discrete Fourier transform (DFT) as a transformation matrix, which can be applied to a signal through matrix multiplication. (en)
La matrice di Fourier è una matrice complessa simmetrica del tipo di Vandermonde che esprime in forma matriciale la trasformata discreta di Fourier (DFT). (it)