"KILL=453.

不学无术

报错：
- E) \4 t3 V4 r" g; v. pThe 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."

程序如下：
MODEL 1
: t" @- U% H+ Z1 C( f! [6 M% f/ CCONST Tmax (VAL:500)
' X  y# O6 t, o4 e/ l+ c8 |Im (VAL:30.e3)  
T1 (VAL:2.e-6)  
6 ~7 X2 t8 W0 v1 q$ DT2 (VAL:50.e-6)  
, x5 O4 Z/ q( i( W: R% Om (VAL:5)
c (VAL:3.e8)  
, x: {8 F8 j+ ?5 ev (VAL:1.1e8)
5 p7 d4 \% N, m* P' u* M' H) MIo (VAL:1)   
z (VAL:6)  
INPUT UAP,UBP,UAN,UBN  
+ ~; T6 O- @* p, U8 J4 HDATA Y,XA,XB  
OUTPUT UrAP,UrBP,UrAN,UrBN  
. I; q5 U7 w2 I  a( Q$ ]VAR UindA[0..1000],UindB[0..1000],dI[0..1000],
Tr,Ti,I,e,dt,UrAP,UrBP,UrAN,UrBN,
ta,tb,b,n,L,x,Ko,Ui,Tj
FUNCTION SQR(x):=x*x
FUNCTION F(x,tr):=(x+b*b*(c*tr-x))/sqrt(sqr(v*tr)+(1-b*b)*(x*x+y*y))
2 ^5 ~' t! l5 Z& u( G' ?) t: K8 R7 cFUNCTION U0(x,tr):=60*Io*z*b*(c*tr-x)/(y*y+sqr(b*(c*tr-x)))
HISTORY
UrAP (dflt:0), UrBP (dflt:0)
UrAN (dflt:0), UrBN (dflt:0)
UAP (dflt:0), UBP (dflt:0)
UAN (dflt:0), UBN (dflt:0)
% R! s- A" I. ]/ JINIT
9 U9 O2 U( a3 n& S% Mdt:= timestep
/ h1 |$ [* h  q0 @0 Kb:=v/c
L:=XA-XB
FOR Tj:=1 TO 2 DO
if Tj=1 then
( m7 k5 f: Q1 {# {0 b4 |9 x0 lx:=XA
- H+ v3 j% C/ y3 x3 R. C9 oelse
- S( H, g+ V- {: b, A- q! A9 g  b+ _& Vx:=-XB
) N" ?! c' W- W+ t: \- H/ ]end if
ta:=sqrt(x*x+y*y)/c
tb:=sqrt(sqr(x-L)+y*y)/c
9 [0 f7 z$ }- i: x; NFOR Ti:=0 TO Tmax DO
Tr:=Ti*dt
if Tr>ta
+ u* C( {4 ~9 h4 m7 `/ v( Gthen
: ^' R; m% z3 M  S3 u: |  x) x9 ~if Tr>tb+L/c
then
7 \6 I. e4 j$ Z2 m9 I4 G! PUi:=U0(x,Tr)*(f(x,Tr)-f(x-L,Tr-L/c))
. V. x0 |/ Z$ c) |1 y, z) @1 U3 Gelse
9 r# R" i: A+ ~; p; ZUi:=U0(x,Tr)*(f(x,Tr)+1)
end if
else
+ Q! i1 ^: z4 i( a1 }% i7 s( zUi:=0
: O2 o$ B0 R6 A$ h( ?end if
if Tj=1 then
& L0 A  Z3 W% ]  @; E' NUindA[Ti]:=Ui else
; |% K; V4 ?- o/ HUindB[Ti]:=Ui
endif
END FOR
( Y6 S* g" v$ f. lEND FOR
; e4 g# ^0 P$ |8 aFOR Ti:=0 TO Tmax DO  
- I  d" G. X' P! GTr:=Ti*dt
IF (Ti=0) THEN dI[0]:=0
ELSE
e:=exp(-(T1/T2)*exp(ln(m*T2/T1)/m))
8 O5 F; d- l, x0 s$ n1 x* s$ NI:=Im/e*exp(m*ln(Tr/T1))/(exp(m*ln(Tr/T1))+1)*exp(-Tr/T2)
6 }5 q! O( r4 R6 RdI[Ti]:=I*((m/Tr)/(exp(m*ln(Tr/T1))+1)-1/T2)
END IF
4 O" C. X3 m, s: G1 yEND FOR
1 T$ B2 i4 D; V& b; ?Ti:=Tmax
WHILE Ti>1 DO
FOR Tr:=1 TO Ti-1 DO
UindA[Ti]:=UindA[Ti]+UindA[Tr]*dI[Ti-Tr]*dt
. x- B' k' J9 @& g/ ?UindB[Ti]:=UindB[Ti]+
" u# Z7 J5 F- Z, @) z  wUindB[Tr]*dI[Ti-Tr]*dt
ENDFOR
Ti:=Ti-1
% O2 d" ^( x6 l# |END WHILE
$ E1 l0 P5 M! d0 |  E2 I
' W2 g0 W& q. C; R% B- _8 |Tr:=L/c
; j2 n7 W8 D7 V. E9 {END INIT
- i$ t( G4 t" Y* h" ~! c2 @EXEC
UrAP:=UindA[t/dt]+2*delay(UBP,Tr-dt,1)-delay(UrBP,Tr,1)
4 e$ W) E( t  _+ V, BUrAN:=UindA[t/dt]+2*delay(UBN,Tr-dt,1)-delay(UrBN,Tr,1)
UrBP:=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)
' z7 g/ f! d( }4 HEND EXEC
END MODEL


/ z3 e! W/ q7 c3 n. H

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？