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In applied mathematics, a DFT matrix is a square matrix as an expression of a discrete Fourier transform (DFT) as a transformation matrix, which can be applied to a signal through matrix multiplication.
Definition, Examples & A limiting case: The Fourier operator
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| DFT matrix | is a | square matrix as an expression of a discrete Fourier transform | 0.90 | text |
| Hadamard matrix | instance of | Similar techniques can be applied for multiplications by matrices | 0.80 | text |
| the Walsh matrix | instance of | Similar techniques can be applied for multiplications by matrices | 0.80 | text |
| DFT matrix | related to A limiting case: The Fourier operator | The | 0.60 | section |
| DFT matrix | related to A limiting case: The Fourier operator | Fourier | 0.60 | section |
| DFT matrix | related to A limiting case: The Fourier operator | One | 0.60 | section |
| DFT matrix | related to A limiting case: The Fourier operator | N-point DFT | 0.60 | section |
| DFT matrix | related to A limiting case: The Fourier operator | In | 0.60 | section |
| DFT matrix | related to A limiting case: The Fourier operator | Fredholm | 0.60 | section |
| DFT matrix | related to A limiting case: The Fourier operator | DFT | 0.60 | section |
| DFT matrix | related to Definition | An N-point DFT | 0.60 | section |
| DFT matrix | related to Definition | Wx | 0.60 | section |
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