Walsh Matrix
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High Quality Content by WIKIPEDIA articles! In mathematics, a Walsh matrix is a specific square matrix, with dimensions a power of 2, the entries of which are +1 or 1, and the property that the dot product of any two distinct rows (or columns) is zero. The Walsh matrix was proposed by Joseph Leonard Walsh in 1923. Each row of a Walsh matrix corresponds to a Walsh function. The natural ordered Hadamard matrix is defined by the recursive formula below, and the sequency ordered Hadamard matrix is formed by rearranging the rows so that the number of sign-changes in a row is in increasing order. Confusingly, different sources refer to either matrix as the Walsh matrix. The Walsh matrix (and Walsh functions) are used in computing the Walsh transform and have applications in the efficient implementation of certain signal processing operations.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786131175688
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- EAN 9786131175688
- Format Fachbuch
- Titel Walsh Matrix
- Herausgeber Betascript Publishing
- Anzahl Seiten 108
- Genre Mathematik
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