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seen May 16 '13 at 7:24

Jan
21
awarded  Scholar
Jan
21
accepted How should I prove a set is convex?
Jan
21
awarded  Supporter
Jan
21
comment How should I prove a set is convex?
thanks for your answer @hardmath
Jan
21
comment How should I prove a set is convex?
@cardinal, thank you too.
Jan
21
comment How should I prove a set is convex?
@Mercy, thank you very much.
Jan
21
comment How should I prove a set is convex?
@JuliánAguirre, I'm sure there is equality in the definition of $\mathbf{S}$.
Jan
21
comment How should I prove a set is convex?
@JaivirBaweja, I don't understand how could this $x^Tx = 1$ condition be obtained from $\mathbf{S}$?
Jan
21
comment How should I prove a set is convex?
@Mercy, it will be pleasure if any hint could be given.
Jan
21
awarded  Student
Jan
21
asked How should I prove a set is convex?