Lin Alg: Example using orthogonal change-of-basis matrix to find transformation matrix

[pz0utable]

I get it!

[blackspoty2]

i think i learn well from you, Sal

[yynotx]

thanks--i know it it is hell to do all that math realtime--but it soooooo much better than watching gilbert strang--whom i really like--fill in the answer matrix and then say "everybody see that"--lol

[pokerihardlyknowher]

I did!