求下列matlab代码的循环表达

honghu012

i2a1=i2-a1;
+ @. u' e3 n" v/ Ai2b1=i2-b1;
) C# Z. I+ ?8 l5 i2 ui2c1=i2-c1;
4 f! D+ C8 L$ t3 i; t1 Vi2d1=i2-d1;
i2e1=i2-e1;
" a$ T1 y3 D  k6 |i2f1=i2-f1;
i2h1=i2-h1;
3 x: ~5 W0 ?5 Qi2j1=i2-j1;
i2k1=i2-k1;
i2l1=i2-l1;
% `- P- l. s  Gi2m1=i2-m1;
; E! |8 T7 J. O) ~% li2n1=i2-n1;
) h* [( \$ a* p6 M- M, ri2o1=i2-o1;
i2p1=i2-p1;
, }' g4 H, M- ]i2q1=i2-q1;
4 t6 a7 z1 T8 R. x- Z" Z: Ri2r1=i2-r1;
i2s1=i2-s1;
- u# x3 r" c0 ]1 }2 U7 l/ cw1=sumsqr((i2a1)');
w2=sumsqr((i2b1)');
# r/ L/ {  K9 P+ w$ Yw3=sumsqr((i2c1)');
5 J& @. N# ^$ I8 k2 }) ~8 Nw4=sumsqr((i2d1)');
w5=sumsqr((i2e1)');
. e0 T9 q- D: Y# }4 N) C( bw6=sumsqr((i2f1)');
6 b8 S  Q6 M. Kw8=sumsqr((i2h1)');
9 C. s5 {$ V7 p0 v3 O! _. Fw9=sumsqr((i2j1)');
w10=sumsqr((i2k1)');
& T6 }- T; b. G' Ow11=sumsqr((i2l1)');
  j8 ?6 w& c+ l1 q, M- ^w12=sumsqr((i2m1)');
* U2 n; s/ W; J$ m8 {* @w13=sumsqr((i2n1)');
9 {2 P2 G. X( d5 H/ |w14=sumsqr((i2o1)');
w15=sumsqr((i2p1)');
$ [0 a; q* H2 v- x3 S( zw16=sumsqr((i2q1)');
: e2 @  b4 x8 K1 Sw17=sumsqr((i2r1)');
  Y# a0 C1 W$ |' q' lw18=sumsqr((i2s1)');
$ u* A, O- }$ y& G2 W9 [8 m7 p求大神给力