APM236H1 Lecture 1: 1
18 Jan 2019
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Hyperplanes equation at a line in r vector notation axis k x 11. General equation at a plane in 1123 fix csk t gx3 k vector notation. More generally eqn at a hyperplane in rh ex. tt c l4nlx1. H g x l a h lxer4ctx 21. Beth let x iker the line determined by xiand xi. Her i x xx t 4 1 2 x er is. Her i x xx t all xs andxs a e oil interiorpts pts between endpts but doesn"t include endpts. Det a subset sea is called convex it for any two pts x kes the line segment connecting and xs b also in s. Dx 14 11 2 es all x i xses all deto i. Pt take any trio pts xi ike h d eco y cheek cttax convex. 11 1 1 0111 1 t ell xix. Dx thnx eli j xx 111 1 242.
