08年高等教育学费标准问题,有疑问？？

lnyy

4）模型二的程序：

model:
' N* H, I# w& A1 X/ ddata:
+ ]$ @& n% b5 s( J5 c$ xF1=125957124000;
F2=1933151000;
# A' Z' ]4 L" ]F3=56972147000;
/ \0 w, n) w7 N3 S4 A1 Q& n# tF4=92109757000;
  I6 f: S& D4 Q/ \( Q& h/ Z0 rF5=82509664000;
% w4 u5 ~9 _. Y* @  |" \& F- DF6=36744586000;
5 O! S" D! ?- OF7=37113047000;
9 H" e4 v% X% z8 ]7 qN=19158000;
3 M. A: R$ x7 w7 W" T  \!N=17388000;
+ h6 z' S7 v( s% X$ kE=0.398;
p1=7174.7;
$ A  @, h3 C' h9 L$ }# j( Dp2=33444;
p2g=21001;
p4=18268;
- f5 A' Z/ Y- T9 PC1=0.25;
' N  I7 e$ u7 ~; _6 T. I7 CC2=0.2;
5 l, D) c1 q3 Q. T5 W% @3 bC3=0.2;
- U* h3 @5 u9 ^' @1 qC4=0.15;
enddata
& t7 {0 X; t0 f/ _8 t+ a
& i3 h% Z( r4 F8 s: t4 k2 \% Ymax=0.25*x1/sf1*(F4+F6+N*x2)/FP
0 @- Q* k( d" r$ U3 N/ R9 \' t1 i+0.25*(1-E)*p1/(x1-x2)
+0.25*(sf1+sf2+sf3+x1)/(F4+F5+F6+F7)*N+x2
+0.25*(p2-p2g)/(x1-x2);
9 `$ J* A3 T- |
x1<C1*sf;   %此次的sf从哪里i来的。不是f吗，但是我换为f，程序就出现错误(可见附件
x1<C2*p3;
& f, a: X. _9 E" k: R3 p' H* kx1-x2<C3*p4;
3 c5 n) ~! i3 P! _. g# ?+ i2 |N*x2+F4+F5+F6+F7<N*x1+F1+F2+F3;
x2<C4*x1;

f=(F4+F5+F6+F7)/N+x2;
( I$ s; m& {+ ~& d$ y( FFP=(F4+F5+F6+F7)+N*x2;
' A: B; t6 K  w, [p3=3.17*7174.7;
sf1=F1/N;
sf2=F2/N;
1 u2 w) H% c! d. w, q( Q% Csf3=F2/N;
4 J- L3 p+ B* O; K5 |end