~ _ q 9 A 0 eߝ ml*ٖv z k} _k 6u~*S9 A *k ۭ E N* >TmG N ) 5 p8Kjv 3* HK& X zeęUR GN ҙʜHFxW s 5L DRestriction of a convex function to a line f Rn → R is convex if and only if the function g R → R, g(t) = f(xtv), domg = {t xtv ∈ domf} is convex (in t) for any x ∈ domf, v ∈ Rn can check convexity of f by checking convexity of functions of one variable2 9 5 4 T y G i b b s J o e G i b b s R ac i n g C h r i s G ay l e T o y o t a M o n s t e r E n e r g y 3 0 6 1 C h ad F i n c h u m H at t o r i R ac i n g E n t e r p r i s e s M i c h ae l C
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