? E ?c×s  5 μ? u× ￥×s   !B ü ? e  ?9 ¨  ?  xy ü ? ￥V U ^?;á￥e ?> wL??￥> u× Db ?T? es?μ ? á1 μ(,)x y ￥è ? O μ(,)x y  D  ?? k¨=×sV U? e ￥ ??è ?b 3  !è?9 1 5Q ∫∫ = D dyxQ σμ ),( b  !f ?  ? Dfxy(,) ]1,0[],0[ ×= π μ?7 O"  wL yxx=≤sin , 0 ≤π?  D   ?? ??b￡ ü  D  V b fxy(,) f ￡  ! D∈≤ ),(,),( yxMyxf | D¨ ü?? USà￥°Ls? ?l n u× :),,2,1( niD i null=? { } 1 max diam i in Dλ ≤≤ =??^ ! ),,2,1( kiD i null=? | w L sin , 0yxxπ=≤≤c =? ^ μ?> u×  ? ?yN   V' fxy(,) ∪ n ki i D 1+= ? fxy(,) ∪ n ki i D 1+= ? 0,0 1 >?>? δε ? 1 δλ < H 2 1 ε σω <? ∑ += n ki ii b 7? kM4 ε λ < H 2 22 11 ε λσσω <<?<? ∑∑ == kMM k i i k i ii b | ? ? ? ? ? ? = kM4 ,min 1 ε δδ ? δλ < Hüμ ε εε σω =+<? ∑ = 22 1 n i ii  ?[  D  Vb f  ??l9 ?=×s  ? Dxydxdy D ∫∫ ]1,0[]1,0[ ×= b 3 | Ds? ?l?Z? 2 n ),2,1,( 1 , 1 ),( nji n j y n j n i x n i yxD ij null= ? ? ? ? ? ? ≤≤ ? ≤≤ ? =?  1 | n j n i ji == ηξ , 5 xydxdy D ∫∫ ∑∑ = ∞→ = ∞→ =?= n ji n n ji ijji n ij n 1, 4 1, 1 limlim σηξ   4 1 )1( 4 11 lim 22 4 =+?= ∞→ nn n n b  !Bíf ?   V)(xf ],[ ba ],[],[ dcba ×=D b?l=íf ? )(),( xfyxF =  D∈),( yx b ￡ ü   Vb),( yxF D ￡ | a sYT?s],[ ba ],[ dc  bxxxxxa nn =<<<<<= ?1210 null  ? dyyyyyc mm =<<<<<= ?1210 null  5 s?  ?l ?D nm ),,2,1,,,2,1( mjniD ij nullnull ==? b : i ω ^ l uW ￥??)(xf ],[ 1 ii xx ? )(F ij ω ^  ￥? ?5 F ij D?  =)(F ij ω i ω  ? ^ ,1 ,1 1 () ( ) nn n ij ij i i j i i ij ij i Fxydcωσω ω == = ?= ??=? ? ∑∑ ∑ x ?   V V?)(xf ],[ ba ∑ = ? n i ii x 1 ω )0(0 →→ λ  ?[  0 ,1 lim ( ) n ij ij ij F λ ωσ → = ?= ∑ 0 1 lim ( ) 0 n ii i dc x λ ω → = ?? ? ?= ?? ?? ∑  '   Vb),( yxF D  ! ^D 2 R ￥ ,H?> u× =íf ? ?   Vb ￡ ü ),( yxf ),( yxg D  )},(),,(max{),( yxgyxfyxH = ?  )},(),,(min{),( yxgyxfyxh = 9  VbD ￡ n5á ìμ ()),(),(),(),( 2 1 ),( yxgyxfyxgyxfyxH ?++=  ),(),(),(),( 2 1 ),( yxgyxfyxgyxfyxh ??+= b 2 ! ),(),(),( yxgyxfyx ?=? | ?s? ?l u×D n ),,2,1( niD i null=?  ?¨?? T dbcadcbadcba ?+?≤???≤??? )()(  V¤ ),,2,1()()()( nigf iii null=+≤ ωω?ω  ? ^ ),,2,1()()()( nigfH iii null=+≤ ωωω  ?[ ∑∑∑ === ?+?≤?≤ n i ii n i ii n i ii gfH 111 )()()(0 σωσωσω  ?   V V?gf , D 0)(lim 1 0 =? ∑ = → n i ii H σω λ  '   Vb)},(),,(max{),( yxgyxfyxH = D ? ?1 V¤ ),,2,1()()()( nigfh iii null=+≤ ωωω  V7¤? )},(),,(min{),( yxgyxfyxh =  D 9 Vb 3