9 线性可分时最优分类面的求解 Primal form: maximize margin → s.t. correct classification → y(wX+0)≥1，i=1,…,N; L(w,0,a）=wP-之a[(wx+o@,)-.a≥0， we seek to minimize L()w.r.t w and @ maximize L()w.r.t.a,;9 线性可分时最优分类面的求解 2 0 : 1 maximize margin min ; 2 . . correct classificat Primal form ion ( ) 1, 1, , ; T i i s t y iN      w w x  2 0 0 1 0 1 (, ,) || || [ ( ) 1], 0; 2 we seek to minimize () w.r.t and ; maximize () w.r.t. ; N T ii i i i i L y L L               w w wx  w