What do you get when you cross an 
with a 
?
|| || sin(θ)
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Modified joke for the pedants:
What do you get when you cross an with a ?
|| || sin(θ)
.
.
.
in the (x)
direction.
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Pedantry is the soul of logic.
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true.. but it's not the soul of comedy
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Wedge products generalize this to any dimension.
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not sure if that'd have the same zing
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And pedants wearing pendants. Sorry, wasn’t trying to be pedantic here — I just am.
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In physics texts etc, the simple l_2 vector norm (Euclidean length) in R^3 is often denoted with the single lines.
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Love it! If this whole academia thing doesn’t work out, consider stand up.
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The hat makes that joke. I actually laughed out loud the second time around :)
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