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hadamard

Hadamard matrices

Description

Various functionality for Hadamard matrices

Usage

sylvester(k)
is.hadamard(m)

Arguments

k

Function sylvester() gives the k-th Sylvester matrix
m

matrix

Details

A Hadamard matrix is a square matrix whose entries are either +1 or -1 and whose rows are mutually orthogonal.

Author(s)

Robin K. S. Hankin

References

“Hadamard matrix.” Wikipedia, The Free Encyclopedia. 19 Jan 2009, 18:21 UTC. 20 Jan 2009

Examples

is.hadamard(sylvester(4))
image(sylvester(5))
magic

Create and Investigate Magic Squares

v1.5-9
GPL-2
Authors
Robin K. S. Hankin
Initial release
2018-09-14

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