User talk:Bobrummel

A belated welcome!
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Again, welcome! Andy Mabbett ( Pigsonthewing ); Talk to Andy; Andy's edits 15:25, 28 June 2015 (UTC)

Hadamard matrix
I've reverted your edits: while some constructions of Hadamard matrices produce symmetric matrices, I see no evidence that symmetry is usually taken to be part of the definition. --JBL (talk) 18:49, 13 November 2015 (UTC)