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Hadamard matrix (thing)
See all of Hadamard matrix
, no other writeups in this node.
(
thing
)
by
artemis entreri
Sat Feb 10 2001 at 23:45:49
An n x n
matrix
with entries either 1 or -1 where each
row
is
orthogonal
to every other
row
. Of course, a
row
's
inner product
with itself is n. So when you multiply a
Hadamard matrix
times it's
transpose
you get n times the
identity matrix
.
--back to
combinatorics
--
Combinatorics
orthogonal
Friendship with Integers
Reed-Muller Codes
Matrices for the mathematically inept
identity matrix
Quantum teleportation
pi
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