3×3 {-1, +1} matrix of maximal determinant

|Det R| = 1×22

Ratio of |Det R| to Ehlich bound: 1

M=RTR=R RT: 

 3 -1 -1
-1  3 -1
-1 -1  3

R: 

-++
+-+
++-

Notes:

  1. R is unique up to equivalence.
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Page created 26 January 2002.
Last modified 5 December 2003.
Comments: maxdet@indiana.edu