Hadamard matrix
real square matrix whose all columns (rows) are mutually orthogonal and which only 1 or −1 as entries
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Hadamard matrix
Summary
Hadamard matrix ranks in the top 2% of general entities by monthly Wikipedia readership (874 views/month).[1]
Key Facts
- Hadamard matrix is credited with the discovery of James Joseph Sylvester[2].
- Jacques Hadamard is named after Hadamard matrix[3].
- Hadamard matrix is a type of Butson-type Hadamard matrix[4].
- Hadamard matrix is a type of (1,−1)-matrix[5].
- Hadamard matrix's Commons category is recorded as Hadamard matrix[6].
- Hadamard matrix's maintained by WikiProject is recorded as WikiProject Mathematics[7].
Body
Definition and Type
Recorded subclass of include Butson-type Hadamard matrix[4] and (1,−1)-matrix[5].
Origins
Jacques Hadamard is named after Hadamard matrix[3].
Why It Matters
Hadamard matrix ranks in the top 2% of general entities by monthly Wikipedia readership (874 views/month).[1] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[8] It is known by 9 alternative names across languages and contexts.[9]