信息检索与数据挖掘 2019/4/225 用超平面来分割多维空间 A hyperplane is a set of the form {x alx=b),where a∈Rn,a≠0，andb∈R. A hyperplane divides Rn into two halfspaces.A (closed)halfspace is a set of the form {x aTx<b}, aTx≥b To aTx≤b aTx=b信息检索与数据挖掘 2019/4/22 5 用超平面来分割多维空间 • A hyperplane is a set of the form {x | aTx = b}, where a ∈ Rn , a ≠ 0, and b ∈ R. • A hyperplane divides Rn into two halfspaces. A (closed) halfspace is a set of the form {x | aTx ≤ b}