cross product

1 statements across 1 episodes · 0 bullish · 0 bearish · 1 people on the record · first statement Sep 17, 2018 by Joan Lasenby · across every show →

Everything said about cross product, oldest first

Sep 17, 2018
Assertion Partly supported
Lasenby: The vector cross product only works in three dimensions
“Now, that's all very nice, but it only works in three D. It doesn't work in any other dimension. Because in a plane, I've got no perpendicular. You're stuck. In four dimensions, there's no concept of a perpendicular to a plane.”
Joan Lasenby Sep 17, 2018 ▶ 10:03 Joan Lasenby on Applications of Geometric Algebra in Engineering · Y Combinator
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