Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Orthogonal Transformation and condition

  1. Dec 31, 2008 #1
    Hi there!
    In order to proof the orthogonal condition aijaik=[tex]\delta_{jk}[/tex] j,k=1,2,3
    I write the invariance of the length of a vector in two coordinate systems:
    Using the linear transformation:
    the first term becomes:

    My question is: why can't I write
  2. jcsd
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted