05/20/19

How do I exactly project a vector onto a subspace?
I am trying to understand how - exactly - I go about projecting a vector onto a subspace. Now, I know enough about linear algebra to know about projections, dot products, spans, etc etc, so I am... more
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05/19/19

Your sock drawer has four white socks, four brown socks, and six black socks. Find the probability you randomly pick two socks and get a matching pair of black socks.
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