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[16X] Let \(Cβ β^ n\) be a set; it is called convex if
\[ β tβ[0,1],~ ~ β x,yβ C, ~ ~ (tx+(1-t)y)β C \]
that is, if the segment connecting each \(x,yβ C\) is all inclusive in \(C\).
[16X] Let \(Cβ β^ n\) be a set; it is called convex if
that is, if the segment connecting each \(x,yβ C\) is all inclusive in \(C\).