Definition:Hadamard Matrix/Definition 1

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Definition

A Hadamard matrix $H$ is a square matrix such that:

$(1): \quad$ all the entries of $H$ are either $+1$ or $-1$
$(2): \quad$ all the rows of $H$ are pairwise orthogonal.


Also see

  • Results about Hadamard matrices can be found here.


Source of Name

This entry was named for Jacques Salomon Hadamard.


Sources