11 线性可分时最优分类面的求解 Support Vectors i:a(y(wx,+®）-1=0 wX+00 a*=0 for non-support vectors 0 for support vectors 0 w=∑aAy 0 Xk∈SV Decision boundary is determined only by those W·X+00=-1 support vectors11 线性可分时最优分类面的求解 Decision boundary is determined only by those support vectors ! * * k αk kk y    x w x SV : 1   0   0 ii i i y      w x  i* = 0 for non-support vectors i*  0 for support vectors Support Vectors w 0 w x    1 0 w x    1