I(y)nW

1x
1Ŀ䛷ͨxĿ֪Rwϵ˽⣬˽ă(ni)߉YȻȥxă(ni)ݡ
2wϵԼW֪Rt֪R(ni)ݺƷz܉]۾ĕrǰF(xin)֪Rwϵ
3}ԼW֪RYɆ}ÿµ}}Ǻܺõij}زMܰе֪RҪc܉Ɇ}
2ҪWPӛ
1ͨ^Ŀ䛷wϵČWγɿܺмͬr_ʼPӛPӛڄ_ʼĕrܕӰ푿ٶSrgİl(f)չl(f)F(xin)Pӛ˼·nă(ni)ݶк̎
2PӛķǺεذѕϵă(ni)ݳPӛǰѕϵă(ni)ɞһС}}́MКw{Y
3}ʹ÷
1Jvԇ}ÿYڿ__cÑԇʂ䶼ʮҪ
2ԇ}Ҫ˽ׂ棺}Ly׳̶ȣעػA֪R߀ǰl(f)]Ƿƫy֬F(xin)ȣ}}ԇֲֵԇcĂc
Л]ôyֻҪԶԼеěQeӓuӓuȥҪăHH_ʼһcһcŪ֪RвľͶױ£AtAtṲ̤ŬWҊһõĽY