帮我看一下那里有错误好吗 单循环 不运行

bbk2720

data = Table[0, {i, 0, qmax, 0.002}, {j, 1, 4}];
, j) S. ~- @, L& a+ T9 `: e2 plength = Dimensions[data][[1]]
Do [q1 = Range[0, qmax, 0.002][[i]];
   q = q1 Ew Ipw/R/L^2;
5 W, \8 s# j1 i  h' y5 a  F MM = q L^2/8;
If [  MM <= Mc,
  lg = L/2;
   w = q/lg^3/2/EI (L/3 - lg/4),
3 v: N$ e6 |, n$ q" J. a3 B  ly = L/2;
' H# p: n% H4 D' R  lg = L/2 - L/2*Sqrt[1 - 8 Mc/q/L^2];
- b  v' G4 ~9 z0 b5 j  weiyi1 = q*lg^3/2/EI (L/3 - lg/4);
- \7 |# r; ~" x2 e. j  w = weiyi1 + (cmax - Cc)/(mmax - Mc) (q*ly^3/2*(L/3 - ly/4) +
       Mc/2 (lg^2 - ly^2) - q*lg^3/2*(L/3 - lg/4)) +
. a  A8 S8 B& T% E* ^* Z    Cc/2 (ly^2 - lg^2);];
w1 = w/L;
data[[i]] = {q1, w1, q, w};, {i, 1, length};]
* t3 ^- P- W6 [$ c8 H提示以下错误
Do::itform: Argument {i,1,length}; at position 2 does not have the correct form for an iterator. >>

拜托帮我看一下

hopeoflight

不太懂。。。。

zj-jscsbao

什么软件？……