1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Matrix - proving need help

  1. Sep 24, 2011 #1
    matrix -- proving need help!!

    please help i have no idea how to do this question. please give me some hints :(

    Attached Files:

    • math.jpg
      File size:
      74.3 KB
  2. jcsd
  3. Sep 24, 2011 #2


    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Re: matrix -- proving need help!!

    Part (a) is asking you to show that [itex]E_{ij}AE_{kl}=a_{jk}E_{il}[/itex], and it's giving you a formula for A. So why don't you start by writing [itex]E_{ij}AE_{kl}=[/itex], and then use the formula for A that you were given?
    Last edited: Sep 24, 2011
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook