February 27, 2017

Homework Help: linear algebra

Posted by mathstudent on Friday, July 20, 2007 at 3:49pm.

Prove that the trace is a similarity invariant.

In other words, if two matrices are similar, then they must have the same trace.

Got the answer from Wikipedia:

tr(AB) = tr(BA)
tr(ABC) = tr(CAB)
tr(P^-1 * A * P) = tr(P^-1 * P * A) = tr(A)

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions