Dual Scalar

Author

Eric W. Weisstein
April 14, 2004

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Algebra/DualScalar.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/DualScalar.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Identity

Simplify[1/3! Sum[Signature[{i,j,k}]Det[Outer[#2[#1]&,{i,j,k},{A,B,C}]],{i,3},{j,3},{k,3}]-Det[Outer[#2[#1]&,{1,2,3},{A,B,C}]]
]