- #1
neelakash
- 511
- 1
Homework Statement
We are to show that (A)(A^T) is a symmetric matrix using tensor notation.
Where ^T denotes TRANSPOSE
Homework Equations
The Attempt at a Solution
I did it in the following way:
Let P=(A)(A^T)
Then,
p_ik=(a_ij)(a_jk) Where A=a_ij and A^T=a_jk
=(a_jk^T)(a_ji)
=(a_kj)(a_ji)
=p_ki
hence proved.
Please tell if I am correct.