Answer to Question #1860 in Matrix | Tensor Analysis for Zeina

Question #1860
Prove that tr(A.A[sup]T[/sup])=tr(A[sup]T[/sup].A) for every matrix A.
Expert's answer
Aij = ATji
tr(A.AT) =∑ ∑Aij Aij = ∑ Aij2
tr(AT.A) =∑ ∑Aji Aji = ∑ ∑Aij Aij = ∑ Aij2

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be first!

Leave a comment

Ask Your question

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS
paypal