File:LDU decomposition of Walsh 16.svg

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Description

LDU decomposition of the Walsh matrix of order 16

Positive numbers are green, the zero white, negatives red.

The ones in the lower and upper triangular matrices form Sierpinski triangles.

The entries of the diagonal matrix are values from Gould's sequence (Sloane's A001316),

with the minus signs distributed like the ones in Thue–Morse sequence (Sloane's A01006).
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Watchduck
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current18:27, 18 July 2011Thumbnail for version as of 18:27, 18 July 20111,364 × 319 (565 KB)wikimediacommons>Watchduck{{Information |Description=LDU decomposition of the Walsh matrix of order 16 Positive numbers are green, zero white, negatives red. The absolute values of the diagonal are from Gould's sequence ([http://oeis.org

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