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Hadamard matrix

The entries in the Hadamard-matrix are either +1 or −1.

 

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Explanation

Starting from a square you remove each time a fourth part.

Phase 0

Phase 1

Phase 2

Phase 3

Phase 4

Phase 5

 

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History French mathematician Jacques Hadamard (1865 - 1963) worked on number theory and fractals.

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