Need help with easy linear algebra proof

Click For Summary
SUMMARY

The discussion centers on proving the gradient with respect to matrix A of the expression trace(ABA'C) = CAB + C'AB'. The participants seek clarity on the proof process and the meaning of the prime notation in this context. The proof involves understanding matrix calculus and the properties of the trace operator. Key tools include matrix differentiation techniques and the application of the product rule in linear algebra.

PREREQUISITES
  • Matrix calculus fundamentals
  • Understanding of the trace operator in linear algebra
  • Knowledge of matrix differentiation techniques
  • Familiarity with the product rule for matrices
NEXT STEPS
  • Study matrix differentiation techniques in detail
  • Learn about the properties of the trace operator
  • Explore proofs involving gradients of matrix expressions
  • Research the implications of matrix transpose notation
USEFUL FOR

Students and professionals in mathematics, particularly those specializing in linear algebra, as well as researchers and practitioners in fields requiring advanced matrix calculus.

Ghostrider
Messages
2
Reaction score
0
The gradient with respect to A of the trace of ABA'C = CAB + C'AB'

It should be very easy to prove that but for some reason I can't. Can anyone post the proof?
 
Physics news on Phys.org
What have you tried?
 
And what does the prime denote?
 

Similar threads

  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 19 ·
Replies
19
Views
4K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 10 ·
Replies
10
Views
2K
Replies
10
Views
2K