About: Hadamard transform

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The Hadamard transform (also known as the Walsh–Hadamard transform, Hadamard–Rademacher–Walsh transform, Walsh transform, or Walsh–Fourier transform) is an example of a generalized class of Fourier transforms. It performs an orthogonal, symmetric, involutive, linear operation on 2m real numbers (or complex, or hypercomplex numbers, although the Hadamard matrices themselves are purely real). The transform is named for the French mathematician Jacques Hadamard (French: [adamaʁ]), the German-American mathematician Hans Rademacher, and the American mathematician Joseph L. Walsh.

Attributes	Values
rdf:type	Thing building
rdfs:label	Hadamard transform (en)
rdfs:comment	The Hadamard transform (also known as the Walsh–Hadamard transform, Hadamard–Rademacher–Walsh transform, Walsh transform, or Walsh–Fourier transform) is an example of a generalized class of Fourier transforms. It performs an orthogonal, symmetric, involutive, linear operation on 2m real numbers (or complex, or hypercomplex numbers, although the Hadamard matrices themselves are purely real). The transform is named for the French mathematician Jacques Hadamard (French: [adamaʁ]), the German-American mathematician Hans Rademacher, and the American mathematician Joseph L. Walsh. (en)
differentFrom	Walsh matrix
sameAs	Hadamard transform Hadamard transform
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Subject	Quantum algorithms Transforms
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foaf:depiction
gold:hypernym	Example
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Hadamard_transform?oldid=1071136943&ns=0
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Link from a Wikipage to another Wikipage	Fourier transform Fourier transform on finite groups France Locality-sensitive hashing Nuclear magnetic resonance Nucleotide Probabilistic Turing machine Rotation Sum of absolute transformed differences Unitary operator Advanced Video Coding Algorithm Base (exponentiation) Basis (linear algebra) Bernstein–Vazirani algorithm Binary number Bra–ket notation Quantum algorithms Transforms Generalized distributive law Jacques Hadamard Joseph L. Walsh Discrete Fourier transform Jerzy Neyman Phylogenetical Phylogenetical Pyrimidine Quantum Fourier transform Quantum algorithm Quantum computing Quantum logic gate Qubit Character (mathematics) Crystallography Cyclic group Hypercomplex number Linear map Pseudo-Hadamard transform Purine Complex number Consistent estimator Newick format Orthogonal matrix Walsh function Data compression Elementary abelian group Encryption Unit matrix Symmetric matrix Deutsch–Jozsa algorithm Evolutionary biology Fast Walsh–Hadamard transform Grover's algorithm Haar wavelet Hadamard matrix Hans Rademacher Involution (mathematics) Irrational number Kronecker product Cultural evolutionism Transformation matrix Transition (genetics) Transversion Substitution model JPEG XR Klein four-group Long branch attraction Mass spectrometry Mathematician Maximum likelihood estimation Maximum parsimony (phylogenetics) Multiple sequence alignment

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