求下列matlab代码的循环表达

honghu012

i2a1=i2-a1;
* j! o! @' S9 U. n3 Ci2b1=i2-b1;
' \4 o' E0 b  w7 ]" v7 W1 `i2c1=i2-c1;
8 w  \( l# L- S* x: L; Ni2d1=i2-d1;
i2e1=i2-e1;
i2f1=i2-f1;
i2h1=i2-h1;
! L" I3 |5 k1 l4 N4 Hi2j1=i2-j1;
i2k1=i2-k1;
i2l1=i2-l1;
i2m1=i2-m1;
2 C- @! `# ]+ m- E9 h  u. vi2n1=i2-n1;
i2o1=i2-o1;
6 @/ L+ u$ K- n( Ki2p1=i2-p1;
& i/ ~* U3 f6 i5 ?i2q1=i2-q1;
i2r1=i2-r1;
i2s1=i2-s1;
) S7 l% Z6 w5 N% r: k9 v4 G2 t  v8 Jw1=sumsqr((i2a1)');
# a* u. e& Q) O, r4 v. zw2=sumsqr((i2b1)');
w3=sumsqr((i2c1)');
  ?4 G3 y+ C' pw4=sumsqr((i2d1)');
" I1 G$ j$ }) a( W9 sw5=sumsqr((i2e1)');
" b3 v" ~& I. y; H5 Q+ Q" g2 g, iw6=sumsqr((i2f1)');
& {' C4 `& C, u; V$ H4 ~% a  k. uw8=sumsqr((i2h1)');
- X0 v3 v! Z3 ~0 r2 H9 A( \- Z2 \5 ow9=sumsqr((i2j1)');
4 V( L! b* N% B9 ^+ ]w10=sumsqr((i2k1)');
! w2 N$ B) C- ~- p- Jw11=sumsqr((i2l1)');
4 Z+ \" N* T) g! K/ yw12=sumsqr((i2m1)');
5 v7 Q. k, z  s% a5 o8 Xw13=sumsqr((i2n1)');
w14=sumsqr((i2o1)');
' d+ c4 [$ {  _0 T) P7 Rw15=sumsqr((i2p1)');
w16=sumsqr((i2q1)');
7 _3 Q% |% g; K# ew17=sumsqr((i2r1)');
w18=sumsqr((i2s1)');
0 N& C( `" ~$ B$ Q# @求大神给力