求下列matlab代码的循环表达

honghu012

i2a1=i2-a1;
7 p5 a; D2 c+ A: @  Mi2b1=i2-b1;
8 K+ y' D8 M% D* ?9 ti2c1=i2-c1;
i2d1=i2-d1;
) I) j  f, j: ~0 p% Fi2e1=i2-e1;
; j3 C: _  x  E- N$ V. U8 i6 ji2f1=i2-f1;
  j) `8 ]" p: ?5 d& Vi2h1=i2-h1;
i2j1=i2-j1;
3 f& {1 H# b4 ^% [. Zi2k1=i2-k1;
i2l1=i2-l1;
; |6 L7 K& i8 @( ui2m1=i2-m1;
" y" r4 b+ l2 l; ^i2n1=i2-n1;
i2o1=i2-o1;
i2p1=i2-p1;
2 _; R2 O3 F9 u; ^" w6 ai2q1=i2-q1;
3 G) l4 B! Q. G3 v5 g$ [: Z- @6 mi2r1=i2-r1;
i2s1=i2-s1;
- t4 Y6 O& D! Z# dw1=sumsqr((i2a1)');
w2=sumsqr((i2b1)');
/ o9 R' J& ~! K' Dw3=sumsqr((i2c1)');
2 z3 L  z$ L( F* @4 S" Zw4=sumsqr((i2d1)');
2 J% Z' ~1 a; ?1 O7 r- u  ow5=sumsqr((i2e1)');
w6=sumsqr((i2f1)');
3 u& |: l$ U5 rw8=sumsqr((i2h1)');
6 R' K# ]5 c" Lw9=sumsqr((i2j1)');
w10=sumsqr((i2k1)');
w11=sumsqr((i2l1)');
w12=sumsqr((i2m1)');
w13=sumsqr((i2n1)');
* x, ?+ f9 g6 m1 kw14=sumsqr((i2o1)');
5 \; E7 S3 s/ h2 e* Ww15=sumsqr((i2p1)');
w16=sumsqr((i2q1)');
w17=sumsqr((i2r1)');
w18=sumsqr((i2s1)');
4 \. w' }8 e- J求大神给力