"KILL=453.

不学无术

报错：
8 q" s) E& G* L/ H: F5 dThe current group of characters is interpreted as a name beginning with character other than a letter.  The first character of a name must be a letter."
+ j" x' n! ~. [: C
6 \7 _! n+ K6 c! d程序如下：
* B+ I  M( @2 w2 O, oMODEL 1
CONST Tmax (VAL:500)
, |8 f+ N: @8 l( V, zIm (VAL:30.e3)  
  r  r8 g& R+ s9 ]# u  ]. rT1 (VAL:2.e-6)  
* c, f& H$ B5 o+ F: z$ B' jT2 (VAL:50.e-6)  
m (VAL:5)
' ]* X8 y; A8 ]# n9 O5 yc (VAL:3.e8)  
v (VAL:1.1e8)
Io (VAL:1)   
z (VAL:6)  
INPUT UAP,UBP,UAN,UBN  
/ W. `. O, q( CDATA Y,XA,XB  
+ G/ W2 l) y1 ~; ]OUTPUT UrAP,UrBP,UrAN,UrBN  
& o5 i, Z$ b3 ^$ F1 R( ?VAR UindA[0..1000],UindB[0..1000],dI[0..1000],
4 r7 [4 e& J2 {8 `0 w4 R/ STr,Ti,I,e,dt,UrAP,UrBP,UrAN,UrBN,
! X7 ?1 F: E, L2 x% A/ \8 e0 Gta,tb,b,n,L,x,Ko,Ui,Tj
% t1 q( n$ E3 sFUNCTION SQR(x):=x*x
$ E$ o9 D) f9 d* p4 J; tFUNCTION F(x,tr):=(x+b*b*(c*tr-x))/sqrt(sqr(v*tr)+(1-b*b)*(x*x+y*y))
FUNCTION U0(x,tr):=60*Io*z*b*(c*tr-x)/(y*y+sqr(b*(c*tr-x)))
HISTORY
& f8 ?: x; Q% _# H& a/ B; vUrAP (dflt:0), UrBP (dflt:0)
UrAN (dflt:0), UrBN (dflt:0)
. C- a' w9 K0 l) n$ dUAP (dflt:0), UBP (dflt:0)
UAN (dflt:0), UBN (dflt:0)
2 C9 |6 g5 c+ @& H3 H( N8 h* uINIT
, O& L% l  T/ n6 j$ }/ y$ f9 c" qdt:= timestep
b:=v/c
# M4 }6 [* G9 }: y) y, |L:=XA-XB
FOR Tj:=1 TO 2 DO
" m6 P  f2 R( s- a1 N! {( mif Tj=1 then
/ h9 ?* {# i- z3 B  s9 z6 X* Cx:=XA
2 G! m1 l% ^. e+ W0 L; L6 _! ~: x% |  Lelse
8 k4 `. q1 H" L, [3 nx:=-XB
end if
ta:=sqrt(x*x+y*y)/c
( H6 \" b9 R7 ~, _tb:=sqrt(sqr(x-L)+y*y)/c
5 i) n, \: G. VFOR Ti:=0 TO Tmax DO
Tr:=Ti*dt
if Tr>ta
" E3 K9 n. E: ]6 C7 Y# B! M# Cthen
- m' ?% c( X" `if Tr>tb+L/c
$ _. ?) ^' A( c9 Z/ _then
; j/ h& D0 V$ Q" p$ ?Ui:=U0(x,Tr)*(f(x,Tr)-f(x-L,Tr-L/c))
& e! j. V1 _, D$ W4 jelse
Ui:=U0(x,Tr)*(f(x,Tr)+1)
end if
else
Ui:=0
end if
' t# z2 @1 n: q. gif Tj=1 then
UindA[Ti]:=Ui else
UindB[Ti]:=Ui
$ {2 d6 }3 I$ X$ k8 bendif
END FOR
2 O$ R8 {9 s2 i* u; H! [$ DEND FOR
FOR Ti:=0 TO Tmax DO  
  e" t3 D  ~! W( H3 W% ~' v$ STr:=Ti*dt
5 O  R; J8 g( JIF (Ti=0) THEN dI[0]:=0
ELSE
e:=exp(-(T1/T2)*exp(ln(m*T2/T1)/m))
, s0 F1 }- w& f1 b: ~- iI:=Im/e*exp(m*ln(Tr/T1))/(exp(m*ln(Tr/T1))+1)*exp(-Tr/T2)
dI[Ti]:=I*((m/Tr)/(exp(m*ln(Tr/T1))+1)-1/T2)
5 ?% C& b5 h0 `' _END IF
& s+ W6 N% H% v/ @5 R& [( l) vEND FOR
/ z: D. t. v1 \Ti:=Tmax
WHILE Ti>1 DO
: r, i' c9 f5 HFOR Tr:=1 TO Ti-1 DO
8 c8 X" u9 L3 h$ H4 m, g: G( AUindA[Ti]:=UindA[Ti]+UindA[Tr]*dI[Ti-Tr]*dt
UindB[Ti]:=UindB[Ti]+
/ A4 u: {9 p6 Z& U3 f* lUindB[Tr]*dI[Ti-Tr]*dt
8 o0 o' ~- P; H0 B% hENDFOR
Ti:=Ti-1
* D+ d, \1 I1 H6 o: pEND WHILE
! p- `; _0 [! O( @7 g
  P" u$ B- Q, X& l: QTr:=L/c
: ~- b" ^' ?- M2 B; z! P/ pEND INIT
EXEC
, n' o* |& F# h5 |UrAP:=UindA[t/dt]+2*delay(UBP,Tr-dt,1)-delay(UrBP,Tr,1)
UrAN:=UindA[t/dt]+2*delay(UBN,Tr-dt,1)-delay(UrBN,Tr,1)
" D5 E6 w5 r' R1 UUrBP:=UindB[t/dt]+2*delay(UAP,Tr-dt,1)-delay(UrAP,Tr,1)
UrBN:=UindB[t/dt]+2*delay(UAN,Tr-dt,1)-delay(UrAN,Tr,1)
END EXEC
, k* w$ c) G/ y* z1 \' q" aEND MODEL

" c) B( F+ R+ |* z4 g& ~& ~3 Y

不学无术

找不出错了，有高手吗

点电灯

楼主，很抱歉，我是新手，看不出来问题，但是我又一个问题想请教一下楼主，楼主的MODEL编程是通过什么资料学习的？