|L 2 | ??t m ?? t?? ??????s ???s? ???t? ??rt m 0 ?s t?? j?t? ??????t ?? L 2 ??? ??t? m ? = ?? ????? ???t??r m ?s t?? ??????t?r ?? (m, P m ) ?? ??t ?? t? st?? ,
st??s 7 ? 8? ?? ???t ??r ???? C ? C ?t ?s ??t s??????t t? t?st ??t??r m ?s t??, ) = C? ?????s t? ???? ????r?? ???????t ?s s??????t t? t?st t?? ?????t??? ? (I) = I ?1 ? ???r? Cl m (K 2 )/C = I ,