Linear Algebra: Cross Product Introduction
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All Comments (27)
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Dot product is an inner product, cross product is not.
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@karevkarev Anatomical is position, not size.
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ur picture final helped me understand what the heck that right hand rule meant
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@eileenBrain Anyway on a computer the above does not work the way things cancel out on the board.
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Why does Sal think (a × b) · a = 0
I calculated it and it does not equal to 0 Sal! Go use a calculator if you cant! The errors are ridiculous.
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I owe you my decent grade in linear algebra.
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Minor mistake: At 4:38 you say "dot product" when I think you mean "cross product".
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I like all khan tutorials.... but as almost 99% of the written and video tutorials over the internet is the disassociation between pure math, physics or any science AND the real life.
Almost none of the tutorials talks about the application of whatever topic they discuss with the real life.
I think any such tutorials should start with what could be the practical application i.e. where and how it can be used in the real life...
Nothing wrong with learning new concepts, but w/o real app.its devoid
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that was a sick hand you drew
OceanWushi 2 years ago 36
Yeah seriously, that was a good hand.
Aeynx 2 years ago 30