"KILL=453.

不学无术

报错：
* l( X1 s  {1 }4 ZThe 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."

. T4 a! S& A* ?* X4 U程序如下：
MODEL 1
CONST Tmax (VAL:500)
. x, I5 |3 F/ R: eIm (VAL:30.e3)  
7 R* m7 D0 c/ V6 N0 LT1 (VAL:2.e-6)  
T2 (VAL:50.e-6)  
m (VAL:5)
c (VAL:3.e8)  
+ f' a0 C" a0 R, Jv (VAL:1.1e8)
/ Y9 I7 H/ |7 ^) Y& rIo (VAL:1)   
z (VAL:6)  
INPUT UAP,UBP,UAN,UBN  
DATA Y,XA,XB  
' X8 c3 D. Z4 g/ v( M( r! B+ A$ fOUTPUT UrAP,UrBP,UrAN,UrBN  
7 F- j5 e& F: N- P' b' S: FVAR 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
: {) G6 f9 x' ]- G: [8 \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 o  u9 B0 S7 @0 b0 b+ X+ d5 kFUNCTION 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)
6 `( i4 z! T' Q; l, _! TINIT
dt:= timestep
b:=v/c
L:=XA-XB
) V: c' F, ]/ n0 x& kFOR Tj:=1 TO 2 DO
if Tj=1 then
x:=XA
else
# |- @# Y! T& V! _$ Ox:=-XB
7 T+ j+ q) u) [4 t7 F0 Jend if
" U/ F& j, E. @* a# z+ H: c8 X6 `ta:=sqrt(x*x+y*y)/c
tb:=sqrt(sqr(x-L)+y*y)/c
FOR Ti:=0 TO Tmax DO
Tr:=Ti*dt
if Tr>ta
2 o: \3 W3 K: b% dthen
, r7 T9 d* u* r* |if Tr>tb+L/c
$ @0 N- X/ L/ w$ E. ^then
Ui:=U0(x,Tr)*(f(x,Tr)-f(x-L,Tr-L/c))
8 i7 m" K3 H( Helse
Ui:=U0(x,Tr)*(f(x,Tr)+1)
: \) v% n! }* Tend if
else
Ui:=0
# P6 ~- M. a6 a- kend if
3 R4 y! n0 R, a. M9 ?1 e2 p# _& nif Tj=1 then
% V  S3 |) z' GUindA[Ti]:=Ui else
UindB[Ti]:=Ui
" S3 B: o3 L( x. m0 G% P: s$ ?endif
END FOR
END FOR
FOR Ti:=0 TO Tmax DO  
+ V# Z. q" x3 J+ w: h. a) kTr:=Ti*dt
/ }. X+ w( L' Q* X1 [IF (Ti=0) THEN dI[0]:=0
ELSE
e:=exp(-(T1/T2)*exp(ln(m*T2/T1)/m))
' C' L( ]2 ]+ h: Y; iI:=Im/e*exp(m*ln(Tr/T1))/(exp(m*ln(Tr/T1))+1)*exp(-Tr/T2)
+ V7 c1 L8 E  {9 ]dI[Ti]:=I*((m/Tr)/(exp(m*ln(Tr/T1))+1)-1/T2)
' n' H, p; o- T' J  EEND IF
$ W; z/ r$ h6 {END FOR
4 ^* Q, E" y: p* O  n7 p) JTi:=Tmax
! W% W  Q7 v. tWHILE Ti>1 DO
! B  N8 ~+ T5 F" YFOR Tr:=1 TO Ti-1 DO
UindA[Ti]:=UindA[Ti]+UindA[Tr]*dI[Ti-Tr]*dt
7 Z- }7 i" x5 ^2 t9 zUindB[Ti]:=UindB[Ti]+
UindB[Tr]*dI[Ti-Tr]*dt
) ^* Y: B  u& kENDFOR
( f& [" e& G2 I& iTi:=Ti-1
END WHILE

; ]( c* S1 ~' g9 h/ F: k$ ~Tr:=L/c
END INIT
EXEC
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)
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)
$ T/ o( a/ l7 C) K8 JEND EXEC
END MODEL
4 p. q$ N0 u2 |" k

- R) f: J1 D& m* u" r8 Z

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？