- #1
bubbles_kav
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Homework Statement
using Einstein notation, show the following identities are true
(A · B) : C = A^T · C : B = C · B^T : A
Homework Equations
The Attempt at a Solution
(A · B) : C=(A_{ij} · B_{jk} ) : C
= D_{ik} C_{ik}
= C_{ik} D_{ik}
= C_{ik} (A_{ij} · B_{jk} )
That's as far as I can get. No clue as what to do next, any pointers would be
greatly appreciated :)