9 Comments

  • Andrey Surovtsev

    I have to admit, when having the problem already solved and checking my solution against the recital I was quite annoyed with the redundant verbosity of Ben. The following bragging about the source matrices didn't seem very useful as well…
    The last picture however was completely a revelation! I found it drawn impressively easy to understand and to the moment there has been no such a clear visualization in Mister Strang's lectures. I'm sure it is surely to follow. And thank you, Ben, for this such an interesting foresight!

  • Sam Mathew

    Nice interpretation, especially from the last figure. Thanks Ben.
    Just a small error though, the N(B) has (-3/5 , -1, 1). You wrote the first coordinate as -3/2 on the figure.

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